{
  "manageEntity": {
    "action": "Create",
    "entityId": "615220070",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqsectwoxpc2aa2rz4gimevypqp6stu5ty7kuvcnrt6ojaejnt4cxc2k\",\"description\":\"Neural Network Networking\",\"duration\":237,\"genre\":\"Blues\",\"mood\":\"Upbeat\",\"orig_file_cid\":\"baeaaaiqsedfkhd2emhragfaffahiycqnz4q62v4sh7wactalx4saeftzf6lc2\",\"orig_filename\":\"02-neural-network-networking.mp3\",\"owner_id\":850116073,\"tags\":\"blues,brevos,danique-at-intwo--starting-at-an-ai-company\",\"title\":\"Neural Network Networking\",\"track_cid\":\"baeaaaiqsecdr7jtyket6wlvj5czacus2lhwg6vidhiejoilexrcjgc7p4ap5e\"}}",
    "nonce": "1792441793506586177",
    "signature": "0x1c361a41739a8ed09c286632baef89b894c85db8d9b7faa4db95f30150d9cead018aab9e8f2ba6506be920fcc91aafa0d88dfbee69d6c84ac7b7a24e66cfd0261b",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}