{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68",
    "entityType": "User",
    "nonce": "0xe1324a86ba653583f5320455aa6f16e6696c7419e33a6b30d8a5d290a8b7675c",
    "signature": "0x07deebd8131de6782d902c09bc0a0198b429ef91a186061f8ad56fde6095d3601b012772563323290071b22b627ca77fe0cccc21f9fc2bcf6070cc39061573a61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}