{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x877bed62fe4ab023e284bc5cace9c7bc0bc8f4f27958b225f6f8c19668405d20",
    "signature": "0xd8d2f292292ccbc1d3bea2a432854ee71dafe49027a7beb8077d2918eb22c4e701d1a7afbdaae9f5366f63885add1b98e2f23f5c4fade49cb9fc5b2e6110fe531b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}