{
  "manageEntity": {
    "action": "Delete",
    "entityId": "889549529",
    "entityType": "Track",
    "nonce": "0xb7fe753f12edb47f0662b087c1fb9bd49fd57cdb2468cc207ee3aee3850abc6e",
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    "signer": "0xf201FBbA39363455f5D8fB14B8274BE5571dda7C",
    "userId": "395817390"
  }
}