{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1483450238",
    "entityType": "Track",
    "nonce": "0x3551001e804c57f6a0d6d8f63d83c76a32abe88e7db126098135468f7cb47f3a",
    "signature": "0x1f2cfadc93d0a7239903be468a984d04feea9f2182e0dbd9f84a96df5c635ff43be417bd8a3ec39ebd420b6990b593f3463357553f0d87b57642cb74c26124631b",
    "signer": "0x0B11146E8b19658E349096521A49B9B182e02c61",
    "userId": "292470861"
  }
}