{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1119946391",
    "entityType": "Track",
    "nonce": "0xd6369d09bce16b9f2749a2829dd6b1feec7047dea571d5415851b521a3e3d33f",
    "signature": "0x595a982c4a664b5dc8447b414d71b4dbaa991732f714f604f3c675a3383f80bf36949b8eb5eb2627ab62d9bcc2b4f35ad01a85feeba5bd5724640f2963e68d511c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}