{
  "manageEntity": {
    "action": "Create",
    "entityId": "30239830",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqseaenjgrzjvilabsqfxligduv2dec327xon4yx4bbjz6cfyikpmrfw\",\"duration\":98,\"genre\":\"Classical\",\"orig_file_cid\":\"baeaaaiqsecqf2tn6cdxgg55odaijjtyq7rjnzkcgaikso6z6wfuoxvobzphva\",\"orig_filename\":\"BACH JS _ Fugue No. 2 from Book 1 of the 48 .wav\",\"owner_id\":509651367,\"preview_cid\":\"baeaaaiqseaf443fvjpwsfcjmcyk56n336n43pafzsgsfzmpmpduhkmhehdjko\",\"title\":\"Jean-Sébastien Bach   Fugue No. 2 From Book 1 Of The 48 [FREE CLASSICAL MUSIC]\",\"track_cid\":\"baeaaaiqsecoya7ztsyhwu44lkkceucgqhaqz5fjjypv6l3sgissafap37fygi\"}}",
    "nonce": "1787485447527826048",
    "signature": "0x2b3ce7676fe855ad480b2ec7604121f1f325de6e92281a7f4d92116b03284d4163d88308c987e58df187e3fdd8252066e418eb7a5fd4516958f8b62ccc092dac1c",
    "signer": "0x8CB448A729Eca339BC72280C850c5479f5Cb0AB5",
    "userId": "509651367"
  }
}