{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "394580627",
    "entityType": "Track",
    "nonce": "0x02cd2d78c7dce0337382d22fc08f95437015639ad52c18a10d06d537397c7db7",
    "signature": "0xa856e407c9894ad65c7cac1fdce0c167020f1351a97916f0e79ace1aed5ef1f460d1aff06d97dfcc83d48dda3b6e1d12b514fb247877d1a7768548f24b6f8e281b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}