{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871440,-0.490502,0.000000,0.000000,0.211753,-0.376207,0.902014,0.000000,-0.441883,0.785062,0.434070,0.000000,-2820168.997905,5010393.920940,2751762.774081,1],    "boundingVolume": {    "region": [2.083406,0.448966,2.083518,0.449047,0.000000,62.907600]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_212503.b3dm"}}}