{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85673",
    "entityType": "User",
    "nonce": "0xa200af17065154b9388604726b04c5bc2cd799f6c0b6d62b4911a502809942f8",
    "signature": "0x0ffdeb753891391bf60ac07656cc3c0ea357bcebb77005f93f45ca7944cae617212787775069d3592e9655c4af4ce2e7b4604eaeffa0bab822e3db56322df04e1c",
    "signer": "0x36bc6698D697Dc3869a485812450B1DB1f0a0c04",
    "userId": "400035644"
  }
}