{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950037,-0.312138,0.000000,0.000000,0.174066,-0.529796,0.830071,0.000000,-0.258553,0.786944,0.560240,0.000000,-1650824.641514,5024520.229939,3553100.493968,1],    "boundingVolume": {    "region": [1.888157,0.594610,1.888321,0.594741,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1461161.b3dm"}}}