{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108887",
    "entityType": "User",
    "nonce": "0x18801bf57e69b0ec5bc098f7413d8d369561c149de4f40c0c9e05d6354bbde94",
    "signature": "0xa20dcd5f6d48302fb5ede4b779614c28d66b1133df720e1687237b8826a9d73802e7b7a632d4d55ea35fb333a51483491668d1daec2d76f0e9cf3fa891d418571b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}