{
  "manageEntity": {
    "action": "Delete",
    "entityId": "341211206",
    "entityType": "Track",
    "nonce": "0x71d30478970554bb1d377e3ee7145d637ad40eabf996ff98aa6a921040f9d26a",
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    "signer": "0x7A21b0Be5ea5cda3a838833Ba3B2abF4F65bAdc4",
    "userId": "66156"
  }
}