{
  "manageEntity": {
    "action": "Delete",
    "entityId": "196960188",
    "entityType": "Track",
    "nonce": "0x1b3dcab1ca4ceb2bb26fd1e7d48a495699723160a876a0327f577bf2f2506e3d",
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    "signer": "0x8D0ED1a061005F65639988916b379201b5F44210",
    "userId": "138710"
  }
}