{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "755023",
    "entityType": "User",
    "nonce": "0x17f455dc10ccd76eb35d61f0ccc72d079abfc292d847958c13dc9f1568457fca",
    "signature": "0x3f0203ab2622084cb274cc203b771623b7bb97648a4ebd97644c689737c4d42d5031413a32394040e038dddd31ab32411ac834fcc311697ce13bae816ce819a21b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}