{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897753,-0.440499,0.000000,0.000000,0.282834,-0.576427,0.766640,0.000000,-0.336766,0.686343,0.644610,0.000000,-2150936.365271,4383688.637755,4089579.741534,1],    "boundingVolume": {    "region": [2.026887,0.700479,2.027014,0.700548,0.000000,36.867357]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_856548.b3dm"}}}