{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1406726941",
    "entityType": "Track",
    "nonce": "0x7437c2bbdb03c4d575d840c3ef3b976c0ac9b20ea770927d300c4b24b0c82d18",
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    "signer": "0x1DAE2f67411425Ea8f5eF5873622df905e59d83D",
    "userId": "410756960"
  }
}