{
  "manageEntity": {
    "action": "Create",
    "entityId": "996700542",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"access_authorities\":null,\"data\":{\"track_id\":996700542,\"title\":\"6a3b041bb086df8c8baa6665fede5768\",\"genre\":\"Electronic\",\"is_unlisted\":true,\"is_downloadable\":false,\"is_original_available\":false,\"comments_disabled\":true,\"access_authorities\":null,\"field_visibility\":{\"genre\":false,\"mood\":false,\"tags\":false,\"share\":false,\"play_count\":false,\"remixes\":false},\"owner_id\":715160400,\"track_cid\":\"baeaaaiqsecmdptoi6aenvkxg6x7xg2g57lion7xbo6g2vl6z7ailsi4wq7jl6\",\"orig_file_cid\":\"baeaaaiqseai2m3uivqw3clnhxigyux5v7zmdpaofhjthpmlzkxcm6ufhqadgi\",\"orig_filename\":\"2b3fb59c39928ce893d2df39185bd4e6.flac\",\"audio_upload_id\":\"a847a495a5a0c7f3283b676797c669af\",\"duration\":229,\"cover_art_sizes\":\"baeaaaiqsed3x4b3jxwtevpzr2nwnujdm364bdnv2xgw33ie4gtolwgxq3kvik\"}}",
    "nonce": "0x3242c83b8ee358a2e9f499238fdaa7402eb61019fb940f7c46f9bbe6ccfa64f4",
    "signature": "0xad306e5aa2fece0d2e33d208b6043dce9af2daa8dfe5b0b46eec7ec2266f179666526246dafdffb94931c54f35dcbba29f9ec86e36b5fefb839723a9e134324d1b",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}