{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe2435401b5b9d170863e0fbd5c1f908def22c86cc1a51f1da9d9780bcc25f5d2",
    "signature": "0xd39424c9a198194dad3312b9e57b83fe61bab4cf07811d0a287d263f6b6e12735decff61a595c1811acb350de0534bbbe8ff17854d9740b06e3c267c361620791b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}