{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897654,-0.440701,0.000000,0.000000,0.283130,-0.576701,0.766325,0.000000,-0.336782,0.685982,0.644986,0.000000,-2151037.339172,4381393.920611,4091968.929722,1],    "boundingVolume": {    "region": [2.027113,0.700970,2.027240,0.701039,0.000000,9.877715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861605.b3dm"}}}