> ## Documentation Index
> Fetch the complete documentation index at: https://docs.proofofplay.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get vRNG signed message

> Generate a signature offchain to call `deliverSignedRandomNumber`. This can be useful for users who want to manually retry a random number.

[How it works](/services/vrng/about#manual-retries-with-eip712-signatures)


## OpenAPI

````yaml api-reference/openapi.json get /v1/vrf/{chainId}/{txHash}
openapi: 3.0.1
info:
  title: Proof of Play API
  description: Proof of Play API documentation
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://staging.vrf.proofofplay.com
security:
  - bearerAuth: []
paths:
  /v1/vrf/{chainId}/{txHash}:
    get:
      tags:
        - Public API
      summary: Return a signed VRF transaction signature for 3rd party to call
      operationId: PublicController_process
      parameters:
        - name: txHash
          required: true
          in: path
          schema:
            type: string
        - name: chainId
          required: true
          in: path
          schema:
            type: number
      responses:
        '200':
          description: vrf tx process successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicProcessVrfTransactionResponseDto'
components:
  schemas:
    PublicProcessVrfTransactionResponseDto:
      type: object
      properties:
        requestId:
          type: number
          description: The unique identifier for the request
          example: '1234567890'
        roundNumber:
          type: number
          description: The round number used for randomness generation
          example: '12345'
        randomNumber:
          type: string
          description: The generated random number
          example: >-
            100390681190810751958784661347623210498151382836405096200928376056671247975325
        signature:
          type: string
          description: The cryptographic signature of the random number data
          example: >-
            0x3ba0095fdcd3704f83882efe53562bfaf84a34ae30765def05ce78d213b41ca568cf5da0c507be8b02c39ae47c377dbb5f7085e9a91919fd07dddc264f0df7d81c
      required:
        - requestId
        - roundNumber
        - randomNumber
        - signature

````