{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950020,-0.312188,0.000000,0.000000,0.174078,-0.529737,0.830106,0.000000,-0.258606,0.786964,0.560187,0.000000,-1651160.595308,5024646.889525,3552767.502857,1],    "boundingVolume": {    "region": [1.888210,0.594547,1.888374,0.594678,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460514.b3dm"}}}