{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319828",
    "entityType": "User",
    "nonce": "0xb4088577ba912bfcd032cc987635c07988afbb20ea3b61856cfc64c7361955ad",
    "signature": "0x8bec6be3d822d4997a9950fb4e519d3e3a5092e3f96d1b1319d3694d727b942a32ea05b8069419dc9e28d4be71381b6d7fbfa473caf8e5ee83c15a0fa3ab900c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}