{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x52c83ed07da01f5f7ddf1292bee33a5bee67cdfb5864f48e4c98981f523d16da",
    "signature": "0x1e337945974c5f84679ad8e07e03175d8d7ac24935aaad3323cd7e5f48de45d8768d552973d479ef567491c87b1434c6cd1ed6b731fc3b38cde164283045ca7c1c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}