{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89655",
    "entityType": "User",
    "nonce": "0x81a0cb9aecaddee75685bc4a4545fc2ee04f9a3805a19aad1235cb61eb53a008",
    "signature": "0xf0cd9d58a6a1ece9b2ded2a084959660d44723dded17e20181504adbee838fdf059ed98d838c4d419b1460f118cecd977f47d4ecf759a384e25204e882adc18d1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}