{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1270442221",
    "entityType": "Track",
    "nonce": "0xcea4a6418c15ca1257a5008c4c5d7e9146c267e441ed31358d1ea8945fb3d707",
    "signature": "0x02e5fb32b7fd42ba4567e7f9c53dc7b0cca0b756a0cdc9fd89147df4f77364137cab6fbfc4c85861d6fcfccbbf635223283022232b43fbdca688602985d9e0671c",
    "signer": "0xC62d580617B6927bf532824Dd1e068646677b30F",
    "userId": "782022954"
  }
}