{
  "manageEntity": {
    "action": "Create",
    "entityId": "1614462113",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"data\":{\"title\":\"Lost \u0026 Loud   All This Time\",\"genre\":\"Electronic\",\"track_cid\":\"baeaaaiqsedhamvenjueocgn6i7rjjsgpxx3asympohwsjespw6nooxd3yfp7o\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"duration\":131,\"orig_file_cid\":\"baeaaaiqseaspgirg4qs5qy6iekbx7egozjdhk6iz36sudu7o7zy5lxgzj3qiu\",\"orig_filename\":\"Lost \u0026 Loud - All This Time.wav\",\"owner_id\":67779206}}",
    "nonce": "0x98f52fbaee791c8eae74389a2329043dfd7287462e0145e92b674e866cf900de",
    "signature": "0x36235dea1d4c2df7e78b4b7a7c7c6e26bfd41de82fe7d072308c138f4282605d04273863e66d44b8f707f333ee3c4c40b2051d270a8395bd432020515c8db9ca1c",
    "signer": "0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5",
    "userId": "67779206"
  }
}