{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1924857858",
    "entityType": "Track",
    "nonce": "0x5b03c95564ee0b3daccc9eb0d9fb7d66e74965dd20d2b220061156ba085363f1",
    "signature": "0x7e92619a75c3f5641a4e0c80bc1d83fe93a53c546f205e6398736bfcfee9477c32bc0d4a20e804588b6d1623d46c5c71f8461fcbfb94e842b1103429f03d3b231c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}