{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943245,-0.332099,0.000000,0.000000,0.186166,-0.528758,0.828104,0.000000,-0.274430,0.779451,0.563156,0.000000,-1752212.074987,4976728.255807,3571636.505045,1],    "boundingVolume": {    "region": [1.909252,0.598152,1.909396,0.598249,0.000000,8.663240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1284972.b3dm"}}}