{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284496",
    "entityType": "User",
    "nonce": "0x41f8f4ec839b4194edf50ec731e84aaf01892e83bb228d8d695c8092d61fe5a4",
    "signature": "0x22636170f27e42eb422b867f60dd0ee70e5009831428fc6f0151ce2c0be7329b2db7f9a48936210ed0c219aa3fada65822b0f55c3cd454ef0fb675bbf619b9dc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}