{
  "manageEntity": {
    "action": "Update",
    "entityId": "717658665",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf585730ea501540b5929a83dbc5da71ee38bdbbad6701472c5e558d8f1387818",
    "signature": "0xe9c110411a5d6d45ecdc7c3921d1d86d022a45cad9ed156bcc8fa488955e3d4d06c45de94cebca7a203d401c4cfa404b7c73912e9ef7e57137da78c78dfb0a5a1c",
    "signer": "0xcB7c31f96F59B78c8bD7A67ABFc434D86Abb5f83",
    "userId": "717658665"
  }
}