{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863286534",
    "entityType": "User",
    "nonce": "0x9878a5a88c51dd70f8707f708a26cdc71c7e0910c1a762f0788a252a82604d2c",
    "signature": "0x9f4e338556ea9ba7f1047d59a4a405c947897109f55fc9c7ea6b1ab40bde516543983773858bc360ca2fe04a4a7d27c9e9ef6b49bd07f4d6620ffcf7315aa7141b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}