{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1438882518",
    "entityType": "Track",
    "nonce": "0x9afd4ee71625b27da7b2269478c00b1da661e14c8dd93f9b5c3df2a0dc1d6f98",
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    "signer": "0x04032370f473D46Aa4C598fc52366c5fB5915f04",
    "userId": "116136"
  }
}