{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584085466",
    "entityType": "User",
    "nonce": "0xe27934b166581d0122db6f654cc515d0456a01d1128f9b84b2037d6b42d569ad",
    "signature": "0xa94766d576945d27a075c403f1a1dde698fe0804e5aaf914e9013951ef6f78c469051ed6bfd710725ba936d3451e7e6616cfd52a52ed5f37d883d2918a11f7da1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}