{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1201404285",
    "entityType": "Track",
    "nonce": "0xb9977fd9545a39ed651b1b0a95de1e8eade09eed405411586ae94670f952b3f6",
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    "signer": "0x5458796027aD8A259861E2C65ECFD1B027e9E8fA",
    "userId": "42614"
  }
}