{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "160650107",
    "entityType": "Track",
    "nonce": "0x08d520b067fb795bf287282598ea2fc1ea1aa361eae6b37468505e9be3c34dc0",
    "signature": "0x371781a3cf548615383929f470e5a4613ba00369e7ec7b11e0103f3d038ac9d32505da487fcb8f3bd0768384063e88061c528237e145b4ed4f7ac6d69b79dbaa1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}