{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1500292190",
    "entityType": "Track",
    "nonce": "0xa777fa577772ab24f28fa6096a863aa7a8c75226186c7291839ba6ac712fd1e7",
    "signature": "0x6c616364e933326f1ef0d1ae3aa78e86aaffe3a1d000cb635d08984ef6dea75a00d1c2aef5bdc26d45c63ee6b6bbe7001cbe37c0cd467e15b7b8b251ee7f15b01b",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "615496728"
  }
}