{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951011,-0.309156,0.000000,0.000000,0.172769,-0.531462,0.829276,0.000000,-0.255836,0.786991,0.561421,0.000000,-1633483.202726,5024839.281320,3560605.520089,1],    "boundingVolume": {    "region": [1.885029,0.595992,1.885175,0.596211,0.000000,8.818356]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1422949.b3dm"}}}