{
  "manageEntity": {
    "action": "Create",
    "entityId": "394746749",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqsec55j6rh2c232dpqyleuuydssbkhuklqnehulke2rpqkogrzxah3y\",\"description\":\"Storm Within\",\"duration\":304,\"genre\":\"Rock\",\"mood\":\"Stirring\",\"orig_file_cid\":\"baeaaaiqsec4gqir5s2xlksu2b7xumtfm3ef3sy36mtqnvkgqmqj4fmpdvcjqe\",\"orig_filename\":\"10-storm-within.mp3\",\"owner_id\":850116073,\"tags\":\"brevos,metal,storm-within\",\"title\":\"Storm Within\",\"track_cid\":\"baeaaaiqsedixwvqdsa4mcprrmbwerpydjnp2r3lje5lhql2wi25n5o5p6rcra\"}}",
    "nonce": "1792428637586537696",
    "signature": "0xf6468f5588e21e4143b550f60fea859a6b96f61a57061d8ad6927fd381c018f07577939970f36da13836121ef0d43e26959b15b6c96eedf6cb63e6f21b5c03781c",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}