{
  "manageEntity": {
    "action": "Save",
    "entityId": "36067",
    "entityType": "Track",
    "nonce": "0x1164d242e1a5370779eadb51568232a4c4338d08a22c2e279f5b78321dcebd51",
    "signature": "0xf1324d451c0b17127a91716b4b7ce802c3e9e36794ad7c549e272295e9af095a79e5f560dd7dd8c905359e7a181dbbfb6737ecbbff782988c934c995864ac5ce1c",
    "signer": "0x3324C23609BC25902C39CFa38CF40581c7Bc7F87",
    "userId": "229134011"
  }
}