{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897609,-0.440792,0.000000,0.000000,0.283025,-0.576339,0.766636,0.000000,-0.336989,0.686229,0.644615,0.000000,-2152355.667216,4382961.323042,4089612.342026,1],    "boundingVolume": {    "region": [2.027214,0.700485,2.027341,0.700554,0.000000,11.294478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_856713.b3dm"}}}