{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2064765d540ddd98a8802f5bc1aefb4449e91658b8b9d763174a2bb1ab0148df",
    "signature": "0xbf56c823379dfeb7a983788bb67d266e9d0eeaeb4bc2275a7d88337c638f86371762057dc64ee487b682003f9bd51f4c5e6895b9717a61a97ee53533231d59671c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}