{
  "manageEntity": {
    "action": "Create",
    "entityId": "131992074",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"body\":\"test\",\"entity_id\":1144147919,\"entity_type\":\"Track\"}}",
    "nonce": "1777434364182124333",
    "signature": "0x2d48322aa6ab36fca3ef84eedad44fe108dd8baa59b1cb4dda4c093e53ae1a8e6f64315e1049a265c00ff86436165f3d88b5297733012c3ca1cad2ebebfb40751c",
    "signer": "0x3f0D2D42FA7eece2896546a75f5773D0B8DBF44A",
    "userId": "9859"
  }
}