{
  "manageEntity": {
    "action": "Create",
    "entityId": "2077155666",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"access_authorities\":null,\"data\":{\"track_id\":2077155666,\"title\":\"1b6a8102eeaadf142ff7029299a6cfea\",\"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\":\"baeaaaiqseaa73jnkvv6azuroraprubrrrrfrgk43vppjssaiwhsqs7l3nzmky\",\"orig_file_cid\":\"baeaaaiqsecawxtkb7mvgqherzbbrpg2ha3voladladvganzhnczuo46ajxk4e\",\"orig_filename\":\"bf79d7dad690a137a648a264c01970a2.wav\",\"audio_upload_id\":\"6f5b79d7d9f2e2719bd6949684a38093\",\"duration\":396}}",
    "nonce": "0x8c1e5e82cf9330261a1ef151907e775d04a383bdead392c8995396ff9e0b5902",
    "signature": "0xa86dc59193a905ed623546e62707e40f6c104f6c5173cd2da50f88bbdc11150070451112dae3bfdab0596d4f7d8605a1278acb213eae606f551585943324383c1b",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}