{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "725399726",
    "entityType": "User",
    "nonce": "0x09c80322be4ab219e76805a9990b5b4168c8078d62098dd2807fefaeb757486a",
    "signature": "0xf3afbed6512fdb364c3bec7162d37a530e1277c3e979e6e3be6c667d8c9b29dc5c9614e9338511b52eec776f3086ea4716a0e4eb93d2ad546ec2d5b385a4f25c1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}