{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1028",
    "entityType": "User",
    "nonce": "0xdd17b4ceec7c0178adf1df6054906b66c1a6c9e576a2ad3c2fee61ff5ff9140e",
    "signature": "0x7ebdd8549aa5ddb3c1aea4375fdc94445af6ce178b7de7043a4e762cf7f67340626862cb91347837c56c1cbda4ab016b5d9d662721aecd90a664238c1bccd7b51c",
    "signer": "0x222534475146193b99B68F2E3830ED2b44307C2D",
    "userId": "991417453"
  }
}