{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943991,-0.329972,0.000000,0.000000,0.184197,-0.526954,0.829693,0.000000,-0.273200,0.781577,0.560802,0.000000,-1744344.311175,4990264.203230,3556670.312518,1],    "boundingVolume": {    "region": [1.907022,0.595296,1.907118,0.595411,0.000000,8.676681]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1310583.b3dm"}}}