{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1615826581",
    "entityType": "Track",
    "nonce": "0xcc2269d61ae78fb33f5b7e5312616ded7bef63cda1d9c201c89ed9e2e8c2bdec",
    "signature": "0xb0bf10ec06fb25e9ddc9fbb2ca2de7807b91c3c8df3ee98c3c11bf9dd34725ca587e74bd91c2d80d26e7d8b8fbaadd64b34623418b378ec139ad2fbe8759726c1c",
    "signer": "0xF7Ff21A93e2fD804bf23303760999b125e251EbC",
    "userId": "571769298"
  }
}