{
  "manageEntity": {
    "action": "Delete",
    "entityId": "166903",
    "entityType": "Track",
    "nonce": "0xfa491f34893620aac311b5b41f8196f22f19032716fe7cfa7fd4974a54c9ffae",
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    "signer": "0x3eAa3E814AA10Cf2145F714289ef3b07f21AbbaB",
    "userId": "73735"
  }
}