{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeb9b644769b191fbb020c10267df4581a41bc8ced2b5f53ddf9a17c3546be61c",
    "signature": "0x7fe27fd28486e2cada1ee3657a6712171d8009c86bb99d2e692a007c7fd02a5810b078423f8e83352a4d33170b00b908f6d54603625ea6a047f0d942f75b38011b",
    "signer": "0x6C801E827B7D7F16C22caBA0f9cD4D2142aE0D49",
    "userId": "303562986"
  }
}