{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944294,-0.329102,0.000000,0.000000,0.183959,-0.527834,0.829187,0.000000,-0.272312,0.781347,0.561554,0.000000,-1738682.170780,4988807.954455,3561450.238771,1],    "boundingVolume": {    "region": [1.906092,0.596225,1.906206,0.596300,0.000000,8.815695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_851658.b3dm"}}}