{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "590824166",
    "entityType": "User",
    "nonce": "0xba2b7626a513578d14213781b365ac9a83d6a2203673d177e26cc22617efe78e",
    "signature": "0x41c64cf2f70076178998fad0c406bb7d4d56ea0bf35f6e7445a761bf9e29c3b23cab186592c8ed55c6a18e6e969c31e115ea78576906ffb542a723d1193171111c",
    "signer": "0xcd864e8A0A043bf1B2DA4106C35c1daF234468a5",
    "userId": "784246910"
  }
}