{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66005",
    "entityType": "User",
    "nonce": "0xb4fc305243fa3065f13d966dffc40c8df061da16d4597d2bfb83e5af7e97b209",
    "signature": "0xe334771ab3f617614b97b133de8384e9669573c45cb65ba85fd87e6fd6c5d89c7ecdd459b5643f20b89da8bde0294eb57782278672c59f54086f1b8dfa0e3ad61c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}