{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1119",
    "entityType": "User",
    "nonce": "0xd8687131ff9d6b2dc235414aea68e24ac4781b8791a15a4d317ab69766f9522a",
    "signature": "0x6167177aa71e3c60404c560a39b8394499e6cc59ad8c092f52f7339ec6f75de7721c7758eaf5555d6d83359e3bffc1ef77f2f9cb86cb0f6872d815225938fdff1c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}