{
  "manageEntity": {
    "action": "Delete",
    "entityId": "258471657",
    "entityType": "Track",
    "nonce": "0x3ba7974705c969a8fda016f50ad1f51fcc160ebc8a857ac50e3dd2b45c66dba2",
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    "signer": "0x04032370f473D46Aa4C598fc52366c5fB5915f04",
    "userId": "116136"
  }
}