{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc7ecfb4e6b6ccf1c53c2a766eae455e24d1cd17805ed9b9db6b147210edbc869",
    "signature": "0xcd88c09a0a8d4b61e2c71af15b4eaaca171c50f386f9636a47ba2396c153a09338f0428cf09e3604f89ccc28493f0cc4389e2bd3f03b5f1163aa18e7c2d642a41b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}