{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc46c7eb5a3b3d3c20e4bc764ff2248c4f0762f71e3a49beb7fd819079c28c06a",
    "signature": "0x58a2c5179597ae248a3336cde61128cdec442ada4f107068b314429c1e9d24ea7621e7a84c988b1e1d6d2d37b79442825a5097a8757a950d9ff529eb0afcdcd71c",
    "signer": "0x5D6d9b4d73D9aDE8A5C98E2b98459631DA42F14B",
    "userId": "926609373"
  }
}