{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950242,-0.311514,0.000000,0.000000,0.173904,-0.530478,0.829669,0.000000,-0.257910,0.786730,0.560838,0.000000,-1646720.979914,5023159.886179,3556900.524517,1],    "boundingVolume": {    "region": [1.887532,0.595339,1.887632,0.595456,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1345145.b3dm"}}}