{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383891",
    "entityType": "User",
    "nonce": "0x7a58474e1f022b86579696c6bd4a4b9ec492188c87da25dacedb66d5098154c6",
    "signature": "0xae6525cb8f2f1940fc1d796fc6bb8265a03a644e69dfddd475453c5662c2189a05b3cc050eb44f691dbff8775a0bee346a15634deb6e43cfc6e48b35af911bc61b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}