{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943851,-0.330373,0.000000,0.000000,0.184568,-0.527296,0.829394,0.000000,-0.273433,0.781177,0.561247,0.000000,-1745832.538798,4987712.903565,3559498.658272,1],    "boundingVolume": {    "region": [1.907447,0.595834,1.907543,0.595949,0.000000,8.746796]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1297985.b3dm"}}}