{
  "manageEntity": {
    "action": "Create",
    "entityId": "179663657",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"love it! 🔥\",\"entity_id\":1098349710,\"track_timestamp_s\":32}}",
    "nonce": "0x891f885312e8eb100f267fb35148f640639a1e2dbb86da46f02cd21dec6f360e",
    "signature": "0xb1e1e9df08a9c7dc16493ddbf26d26b0ee76304c079abe0fb6ab611030f13c5c3bd59eaf4dc645c8f01ff7b0c9213758597b95c2f75daf7e0607af976dd44b5e1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}