{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981356686",
    "entityType": "User",
    "nonce": "0xea0e9e6e5eafa00b69dad1f5047c63577b5ab109126d88358ae25ddd76fff67f",
    "signature": "0xde6498ef43fa7ee4d1b24df2119ec4ee2a5d5a41d376ba3c33ef9cb18ca89ed569d1f41190bc8e05a886ea4d9dc8bc79477cf7a51f148373ab20acf5881f47721c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}