{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "633359681",
    "entityType": "User",
    "nonce": "0xd4985c643a2e9fb6d93d3f98d5740f4a4f575eaff3aecf53a4a90736070df4a0",
    "signature": "0x1fcb461c667414eb77e2bf31a76dbf054fe142d3654acee134eb581238fd913d64fcb8b6eadbe3052427b84ff995b03a70dc8470e5ae1aee19fd1bb8f7847d621b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}