{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x5b3dcc003b91ba47f65030bd4124763fd94ffb9c8d1aa12686fdc119e2065e84",
    "signature": "0x814a94ab1ccf90d9a551e5c8055beff18ff9fd9904674667878813ab64e797bd658066cdebc2a36c61b26d39ae81045660194f0657e30cca21f61fc282ce3dc21c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}