{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x1ef4c92cb183a464759e83f0af390ac050f259832a5d95b9e6c43a1a8bd64146",
    "signature": "0x721f1953e519d1ee396f3f4ca0b4992861dcaf1f4b33c25ed5de8a47ef0a544d3e51dddb8a689ab0a60e0cb6641f1fb8c9c42bc4d9dae1e5cf5b8dca7eb760d01c",
    "signer": "0x7C634bc8303d9923BF5924Dc68bD6249Bb8bd551",
    "userId": "35078427"
  }
}