{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949895,-0.312569,0.000000,0.000000,0.174715,-0.530959,0.829191,0.000000,-0.258633,0.785985,0.561548,0.000000,-1651341.724424,5018422.233134,3561412.488327,1],    "boundingVolume": {    "region": [1.888607,0.596153,1.888778,0.596358,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1438961.b3dm"}}}