{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764650114",
    "entityType": "User",
    "nonce": "0xd40a0693d36314c11f352d5bc96c8917c30a55126141442a7d2b064b45ce3625",
    "signature": "0x4c47c880a51fd68ef2e991735808f08d2f40c91d56bad2b60f70f27e4d83e30f740510917a08641707b63484807470879b3c5c5b5d3c919bfdecb4ec0e32ddf31b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}