{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17689",
    "entityType": "User",
    "nonce": "0xcfe01556edbdea72d5b5c06282eb0d53beb82d4bea9d989e0b9348c8be695ca0",
    "signature": "0x9851dc025b33d08f7404ae8f8905fe4cd8326b1695ef46354ec70a154f4a84874faeabbc6165ee6226de877440b74c6b3a342e847546d1aef6dedc8743ec512a1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}