{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950148,-0.311798,0.000000,0.000000,0.173848,-0.529772,0.830132,0.000000,-0.258291,0.787096,0.560148,0.000000,-1649147.648866,5025484.341015,3552519.619353,1],    "boundingVolume": {    "region": [1.887799,0.594499,1.887963,0.594631,0.000000,8.783335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1458435.b3dm"}}}