{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x21e3313d8ceba00baaa5dcf5b178cee884c0b7da07b6903cfcd3ebc1288372a9",
    "signature": "0x242e40e05ccc6a5e36cd2e3c9e9801668391a7a66c563721c60f5a6808f2f76e4a83260ef8e7c13d3182babed6ced54688527f96d5c84551082d6b68f158d7c41c",
    "signer": "0x92632D7BE74bA47022399097665C226D2833ab2C",
    "userId": "327722"
  }
}