{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "471647706",
    "entityType": "Track",
    "nonce": "0xed5b56192112d4ffbb180b0bef9af2cb0dd203e177765cc8db2011c840e2d057",
    "signature": "0xa3da3eca99d94086e694abf35de21972acded6dbd93daf379d6ceb2c5e2b520a624c37768ff2d43d7a20f3ed9885b9ad1d8c2f01f22930972908dfe82879a2161c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}