{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0xa2a4c273226a71a166ef979b5c039c24cc0a01b9786e754396d416d4693ecca2",
    "signature": "0x1fd3c815bb88ebf5da80dc8063cc306541e79afc496f1ec75e0d3c0ede9e296917432e5b46243afac8ae06ec5bc45f93c05f0811768fea068c35131095358adb1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}