{
  "manageEntity": {
    "action": "Delete",
    "entityId": "303896633",
    "entityType": "Track",
    "nonce": "0xf13b1d1789846b46f63ccb7bb77c219cac96b04b78d7e9ebfd4ff28118a7081f",
    "signature": "0xa66cc5c3282a27853b9c270b336f6fcc705f16b2f764793f20596a3ef620e6e21f0561a399f65926b0b9b3c4d678baace31ea871c3aeaa6e7edaddfd432a51671b",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}