{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0xd38239caa33b3dc0a65e84e2a899c1fb5a6490cb4a0f6627c621aae32abeae43",
    "signature": "0x67afa62de2f52440f1fa1c12452256bfc187d72329f4a8fc2245baeaddd1b58a6cbdc54250ae099a363f3fbf4d32cfdaf1bc0fdaf041748ec1185f70f538738f1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}