{
  "manageEntity": {
    "action": "Create",
    "entityId": "1331798674",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"body\":\"test 3\",\"entity_id\":1647643050,\"entity_type\":\"Track\"}}",
    "nonce": "1777434496485107774",
    "signature": "0xfd6d24a8f6667ac038d38ec08fa2f88e206e4f60e1ccc29b23a6dff82b31d2b754d3b41fe4430ef40c429767ee791d072baffda3841f6a341c5668f653bebc2a1c",
    "signer": "0x3f0D2D42FA7eece2896546a75f5773D0B8DBF44A",
    "userId": "9859"
  }
}