{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944030,-0.329859,0.000000,0.000000,0.183797,-0.526011,0.830380,0.000000,-0.273335,0.782263,0.559779,0.000000,-1745200.911749,4994622.659707,3550170.025765,1],    "boundingVolume": {    "region": [1.906896,0.594029,1.907006,0.594209,0.000000,8.808292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/12_1319448.b3dm"}}}