{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1231479588",
    "entityType": "Track",
    "nonce": "0x923ab82e2981fabdff428a4a04daa77d225675d15a2baebfe20de914e8bf8867",
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    "signer": "0x9a4EBdfcbd1fa8BC03672d01295Fa84058987fC8",
    "userId": "722044506"
  }
}