{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "763473",
    "entityType": "User",
    "nonce": "0x460be803945fc6d8179a8a8946ae4186f1c441586abbc4350c4dc1890102b065",
    "signature": "0xc5729e92904a20da16891dfd44d7d5456452fdadc795d0c988c0232991bc5d141f42ca47027a79547c33106a5779553a898727320e1f0407a2a8fffb8dded6ad1b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}