{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0xe9b69217617804beae2985b30bc280bbd51f8b2bcb43c21221fe022bf978ea08",
    "signature": "0x5930396f1a20801c31dd065ff459a955a385346fc54778a008754bbb6aee5a771bbda24ea3286ce227d1d4a8f9ef9b1f18847a9f81fa2efd22d71d705cc62fbf1c",
    "signer": "0xE466248f391B5f99247E259e38d4f898225001e0",
    "userId": "260762194"
  }
}