{
  "manageEntity": {
    "action": "Create",
    "entityId": "1600262909",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"data\":{\"title\":\"Without the San \u0026 BÖRSCHT   Wanted More:.wav\",\"genre\":\"Electronic\",\"track_cid\":\"baeaaaiqseccgwiq6bvashudwmfegkuykcgbhukgsqfufzj4vv77jfckka7vjm\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"duration\":244,\"orig_file_cid\":\"baeaaaiqsedyag72minarmfoggqi23qutxcxp36pckvm6xyuap653mqjxn7lf2\",\"orig_filename\":\"Without the San \u0026 BÖRSCHT - Wanted More:.wav.wav\",\"owner_id\":303866152}}",
    "nonce": "0x69f116007031bac61598863c9495cbf1cdeabb069dd8956002dbc1c2ca188914",
    "signature": "0xb5a1107641bc8bef18cf6b60e087bb942149401e8f141a5052b73440b423072905137d3eb2137afe785ecb0bf0b262eab1880e6327d87c2e5d23fa3e4de535741c",
    "signer": "0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5",
    "userId": "303866152"
  }
}