{
  "manageEntity": {
    "action": "Create",
    "entityId": "1115293710",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqsecam4rg5qx3nw74vfsmkzh4lpevoellntgaepi3mx4xsqn73umeai\",\"description\":\"Victorious\",\"duration\":250,\"genre\":\"Metal\",\"mood\":\"Other\",\"orig_file_cid\":\"baeaaaiqsebn5ot3iqfvrjc73mv2lvraqnr2utqgz4v2tc3ekhgq3sfkbh3yf2\",\"orig_filename\":\"11-victorious.mp3\",\"owner_id\":850116073,\"tags\":\"brevos,metal,power-of-the-lord,rock\",\"title\":\"Victorious\",\"track_cid\":\"baeaaaiqsecebkgs2pivxculrtion3swcctbjecuftpn7w5pbsmuywzmxhbbka\"}}",
    "nonce": "1792439049892091917",
    "signature": "0x80e27c79615e615d8f323878d9131ec7a64810f1ec0dde77e1636ea105057b380da5a3a132b26a89dec0e336b0241fc3e5aa7c229a09dc5b0e6c0d20d75e6f331b",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}