{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xd251b705a893ae3c48436fec4f4b99c0343ac806e2e4d7a7707c42ddd020f685",
    "signature": "0x8ed9ccbab515557d1f547af5430deac9ba6a59ff3afe6f97dd626e6884f55cef08892633cea9a25f1f9aa2fb8bf3a602f96f5842bb07e8cb41798cf9fe42f1fe1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}