{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0xf64d8bc82860c28939167bb4ccb7444d846ecd39a2a727df42e360fb1884619d",
    "signature": "0x3ded35f00138ddec10e591c178f4c95563549c8f1267fb8ae87708d3978ecf4e6533f45823df6f50221ec8340945efc4fc0aceba87874a3bde7f0f3e810cf30a1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}