{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xb89851998fd0371729b1be7296763e51b642a8726946d2d9508f3b8140327fb3",
    "signature": "0x022d154532d5602fb60a2001c437fcc96d3f835d10bc635c666f366be7ce043705d0b953f258dfd6706af995e0af0ce8d454a3e26601e36b41e0311d5db8305d1c",
    "signer": "0x96d9410A7bB22E269fd5a7372D2f840c750bE9E4",
    "userId": "662254471"
  }
}