{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xbd904261d55c690f8fe2a6451161b27edd59f01f57bad0a80e013e45065ae7f5",
    "signature": "0x50052a889351a46752e5a83e601d4f027a9f5f0fb620f4937ac75c9d0835c6ef0204042eafcd7454aa2ae4bf2cca5d4c2aace82b115421551a1f071647b7b5ac1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}