{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1b06f16a746ed6f0f9cf383e7ca144ef9c71924540c7c9c26f8df61279a4302e",
    "signature": "0x53e591a43dfcfb2ff992073167043bad5a6a4840af036ca3281412d6afcecd80397423d34ce26d12447a3b054af2f88adbcc9a47e66af1a8b58440a81291a80e1c",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}