{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923028519",
    "entityType": "User",
    "nonce": "0x24e9c3d53ef7ef9f41ff5134936c7c7afc78f394832374761dbeab89ff856f0f",
    "signature": "0xe2f1d3a8abf5786c197a4b5f3671c46f61dec474d3e89d7536989fe71810a1f739354cb6294316f62aea4ef76c44e65298aafbd2d78316d179a7e08b06a70be31b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}