{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x87e592851f5dd95b5400602e3e66c6688929d4e114e3550dd872b97015f3dc54",
    "signature": "0xdd3f5f8449ccb551e8cec2edd728b99bd70f6017107c480001bbb3e95c49a11e7b19f8737a218025bff33cdfbef516f5c21b0709eb5e031543886e30fe84fb8f1b",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}