{
  "manageEntity": {
    "action": "Delete",
    "entityId": "440514153",
    "entityType": "Track",
    "nonce": "0x7ecfe8f91138dd9bc19036c493384390f8b8d7f45a54ca6306e1e7ca3da72bc9",
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    "signer": "0xBe2eA0D21a21D621C544B9aA6176FadD20E1702a",
    "userId": "683206649"
  }
}