{
  "manageEntity": {
    "action": "Delete",
    "entityId": "50123352",
    "entityType": "Track",
    "nonce": "0xadc39a59c76fee252d94e37e338ef5f3dc5f127995aa8f2e15adc2aa04c0f5ab",
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    "signer": "0x04032370f473D46Aa4C598fc52366c5fB5915f04",
    "userId": "116136"
  }
}