{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x97c86ec9eb96954433c884c032efcd863d82f97773a8e1433a19db666e3d5253",
    "signature": "0x3c06c145001547e57bb6cc21f03f8db9de198f5b5483544df5e5d089fdca5815185b52fff454094c2b6b512e5eeff9f0bfab7566cdfd8b9454b63ab81dedca581c",
    "signer": "0x3ce98eEb540e9f90ae2BB6588CEc86ABa4099408",
    "userId": "8601343"
  }
}