{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951277,-0.308338,0.000000,0.000000,0.171163,-0.528067,0.831774,0.000000,-0.255935,0.789604,0.557694,0.000000,-1634091.745279,5041452.115717,3536923.294264,1],    "boundingVolume": {    "region": [1.884188,0.591562,1.884296,0.591649,0.000000,5.178089]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/51/42_1382990.b3dm"}}}