{
  "manageEntity": {
    "action": "Create",
    "entityId": "241169461",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"data\":{\"title\":\"Cocho   ring my bell edit\",\"genre\":\"Electronic\",\"track_cid\":\"baeaaaiqsea6awucuy7ztaukcz7rcqxcktwc56wo6gb6itip4fav5mkb3jc3nq\",\"access_authorities\":[\"0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5\"],\"duration\":344,\"orig_file_cid\":\"baeaaaiqsedhwbnfklg2sh5jvdzw55vjp7gv2sh5hk5qf2mgnshfmp6yojoj5u\",\"orig_filename\":\"Cocho - ring my bell edit.wav\",\"owner_id\":31478506}}",
    "nonce": "0x41ab778070824782d51397ae57f2d920cb533e8e199df5185e1f750a5b948e85",
    "signature": "0x50a4b74442b6b1edfb167af237cd1e448e94012013d01efe4ff853ee302850d3443e3c735f64ea8304f6437b4dfd944a5b98364793d0a5a878c268d36a9b55271c",
    "signer": "0x8E6a0C5e8c93775D1F70Ac5591514A5E00BaC7f5",
    "userId": "31478506"
  }
}