{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165764868",
    "entityType": "User",
    "nonce": "0x67fd3a9711bd739c3c1df434e149d1ff65edc0c6a2c57fff0cc8da165fd030ca",
    "signature": "0x8ba121bb17e0a79e72cf91be86c802268a92186c5ab3cc38303ca8550d19ebf57c75f997aded1b21c42a312045d0618b46f93554642823a3312202a50e72fc0d1c",
    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}