{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898482,-0.439010,0.000000,0.000000,0.283921,-0.581075,0.762719,0.000000,-0.333898,0.683359,0.649255,0.000000,-2132661.274238,4364720.306572,4119132.600036,1],    "boundingVolume": {    "region": [2.025243,0.706567,2.025344,0.706642,0.000000,52.896269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1819322.b3dm"}}}