{
  "manageEntity": {
    "action": "Create",
    "entityId": "915560470",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"hello\",\"entity_id\":1686644959}}",
    "nonce": "0xd4afc9b0a150d62a46ae3ec15d1c9ddc8c6909c1e5c8686350c5707c5570f381",
    "signature": "0x7950479f1a59fb0ab8ff32766d8acfc66b560fc5c3783f241a96340c2015eb381def72cb872471bd5ed38c0134012c43e8e5fc122be9bca2aae1cfe3aa1f0f1e1b",
    "signer": "0xF11F60bFb591E532d6E71E699ddfdfC58f377CA1",
    "userId": "458027684"
  }
}