{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858775,-0.512353,0.000000,0.000000,0.262113,-0.439339,0.859231,0.000000,-0.439452,0.736584,0.514127,0.000000,-2805369.244477,4702194.449078,3260103.241271,1],    "boundingVolume": {    "region": [2.108636,0.539926,2.108801,0.540052,0.000000,33.926833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_219137.b3dm"}}}