{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xda283027d5028de5e752758b7ee07277a305dea340a2a6d517651fc54e396c48",
    "signature": "0x85a8048f6af5895240d5d8658cefc339ba688d1b60b09782f40c36b60ef8909f193bdc631f5d7a26c9ce43059e09e4ad63a59a8166b29c58ad394265a0adb16b1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}