{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1637711021",
    "entityType": "Track",
    "nonce": "0x8236299c56a765a7336934fa25a033810136fa0bc45fcdef445c2d760927b17e",
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    "signer": "0xd70cC881fbB38d68490cf7A578B24F81B4d24fb4",
    "userId": "873212552"
  }
}