{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "714962548",
    "entityType": "Track",
    "nonce": "0xb39257239308a53eba1e5997c2077be61990bc4382f150c222a4c762565771aa",
    "signature": "0x096d21ca85df1f0bbafe264618c303358a26674dd905fedf3502b972d239e1157802911d2f2bf810695ea3d496d08bf061610c82df3d44439ef57961aa8323f21c",
    "signer": "0x8F8C9b3BcE42B04f072D7Bd2093c3ad5E26De738",
    "userId": "967470359"
  }
}