{
  "manageEntity": {
    "action": "Create",
    "entityId": "741220139",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"data\":{\"title\":\"debora final\",\"genre\":\"Electronic\",\"track_cid\":\"baeaaaiqseaaiuetct5g7ioa6thouknlkf72qt32pzbouperugagfh3z2tq22u\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"duration\":233,\"orig_file_cid\":\"baeaaaiqsedioo2i6vnwagzu7h2vrdeg3dpmxf75wxmesymsxo3xfw4i7tpfp6\",\"orig_filename\":\"april fools final.wav\",\"owner_id\":192578380}}",
    "nonce": "0x4fe73a3cb7c54a2cd561901009636fca9a5e3e5fce8ac3d2f494483e6ff70c92",
    "signature": "0xea6e356434f7b9f302b1624ff3d4f1bdbe85fe33e21bf574462f54f55df17c810fca07c2ffa2381d313163723741a1f9da6e910dbd14f95a57c9070130ba4d051b",
    "signer": "0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5",
    "userId": "192578380"
  }
}