{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xebca46d661c733c8473ba56f0e6a3f86d9adb84ecbbf69718bd69f19bdea346e",
    "signature": "0x5b55d99b6de0fb28bca4107f9743d9341850ed7e8554986b91bee78e86b5b67e566d51ec46e47dba3d895226feb7c7593c7418fba29241e524fa0a65e74e0a551b",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}