{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1411389703",
    "entityType": "Track",
    "nonce": "0x424304bc63492c0577d9fb685c4ce400d2825ffc6293243e61b3194d6324dd9e",
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    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}