{
  "manageEntity": {
    "action": "Delete",
    "entityId": "956390952",
    "entityType": "Track",
    "nonce": "0x0c9ee1c4d56e0ebbee431ad07fcfb3afaef09c4904238fd11ec52097791d4689",
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    "signer": "0x8cAFFC42535c23aB09362B80d01A3dABc042b7D9",
    "userId": "151038"
  }
}