{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x1842fae87be2129be570b8c2e42aa2e27d426669b584c77aa7422579e52db31e",
    "signature": "0x0276546ab326722d79e4809ad8358048bdbbbe6d750c6d730e7c329359fe03732f118ef72160b23b3dee9c6c800a778549fc3e1203eec4aa555465bf5befe65d1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}