{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38591693",
    "entityType": "User",
    "nonce": "0xdef5c6516dc9ee0d369891630df5545f3bd3673d8e5fae0b999b94d8c29f2362",
    "signature": "0x24a505ca2ff74fdb880a303458493f6883ce8e82effb60c17d6dfe65d714b1121b616a3a6528b4a5f11a6b5bbb31871d7b2cbd23ac6943cb6f044c412194ee841c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}