{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0x92122624a496b75ba4117f7dbc406eeaed85a50bef7093bccb7ffca72a37106d",
    "signature": "0xc7c2011e25974ec82d34ebc1e336b4b6d0b73ebf027f82cf4fbc1aedf93b453f74431c79470455ebe2b3a53c557990db4b173bea152125d246dfabf891aa28071b",
    "signer": "0x90508144365a4b20f9909C3C9b96a5aF240cC9F8",
    "userId": "330534898"
  }
}