{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949894,-0.312572,0.000000,0.000000,0.174695,-0.530891,0.829238,0.000000,-0.258651,0.786030,0.561477,0.000000,-1651457.144350,5018704.759174,3560963.842699,1],    "boundingVolume": {    "region": [1.888611,0.596067,1.888782,0.596272,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435603.b3dm"}}}