{
  "manageEntity": {
    "action": "Delete",
    "entityId": "166903",
    "entityType": "Track",
    "nonce": "0x9286b145a4d590222dfb8f6477e343d537bfa920bae6196e64ccab6e31937dc0",
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    "signer": "0x3eAa3E814AA10Cf2145F714289ef3b07f21AbbaB",
    "userId": "73735"
  }
}