{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "363808",
    "entityType": "Track",
    "nonce": "0xce4cc5ac7dd126b60f2ae60175117ec392bd36f2ef291d4fde5e57dc5e53132d",
    "signature": "0x7a42b7f1f611d8f8449544d41bebabde47290ec2d366963292260cec2db8d06a2747b98ec4ccc58de820373e647649593da37c6d18a14e4ba78360e1fa6935641c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}