{
  "manageEntity": {
    "action": "Delete",
    "entityId": "456356387",
    "entityType": "Track",
    "nonce": "0x56905ee6a31077b9ee725a132a068680d2f3de15702e377bb47f2cde7bc9d3a1",
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    "signer": "0x51C747e7437C025eb47a63843f019C0ff2253474",
    "userId": "41804"
  }
}