{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1076628870",
    "entityType": "Track",
    "nonce": "0x8dc93a18e5ef6eae390c96f6f04e06938268a0ee7c632af8060ea3fe0d556223",
    "signature": "0xfebcb7b7c3dedf487f361b7f4476f6c188afca57f0fed1193400b969980718d235f92de35112e4cd46d5796e8a1ef1a76d3f618c4c2e24af8ba9c7728f9f3ced1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}