{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1626664712",
    "entityType": "Track",
    "nonce": "0x4f9d6730dc161cdd3dd89cb778b9ca2962fbae33eb0a689fb6999aa2dae7615e",
    "signature": "0x012b7f079dea20b1e5e5c9aa40a76b098a5232ccd5836c19ee7fcabdfc31f5917ea7784fd4a814663f33171ea85ba02cd66a3dc6bfd4ac07ab29706633c511111c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}