{
"manageEntity": {
"action": "Unsave",
"entityId": "1019776026",
"entityType": "Track",
"nonce": "0xf3e63320ea79b4c823bdceadc37fba0fc62ab47a69f575ac856812355dc39f52",
"signature": "0xbee3c5e3fb078e4496cd97581f4747914066cd6ae96d6a3ef75d524f2662214c1fcac864c4f212068afaac8d904bc7225e1ac24a5c9026f7400d78e5131a7e8e1b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}