{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943052,-0.332645,0.000000,0.000000,0.186612,-0.529048,0.827819,0.000000,-0.274785,0.779021,0.563578,0.000000,-1754485.217079,4973990.350282,3574315.488349,1],    "boundingVolume": {    "region": [1.909831,0.598662,1.909975,0.598759,0.000000,8.725601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_657715.b3dm"}}}