{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174949",
    "entityType": "User",
    "nonce": "0xe3d8b9a6ec02d2382de5a68d8fe711b7eccc872744f762f9f560cf69877b536b",
    "signature": "0xdefa6b8d6dfd2a5aba5834393d9478cf4d0672c7c8830808ea84a90adda6ab7e06fed369dc21adff1381b50d04d9e266e6a49bf2e93c648b42c847b53cc3741b1b",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}