{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894989,-0.446088,0.000000,0.000000,0.284503,-0.570801,0.770223,0.000000,-0.342646,0.687453,0.640314,0.000000,-2188448.622003,4390701.250535,4062247.231098,1],    "boundingVolume": {    "region": [2.033119,0.694844,2.033252,0.694969,0.000000,8.411924]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/15_979675.b3dm"}}}