{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50737590",
    "entityType": "User",
    "nonce": "0xbe599fa17fcfbe3d37b202973c480712aebe769a72d2109fb7556c63c8a0ac95",
    "signature": "0xcf4b5a9d5fec9fa6091537334a5e8f773e92ab864f3d3d22aba6d7d9153629ec285dd00f02048f2ff0fabfb02c05e370965050c3a53cc97a6aa3ea84f856f1671b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}