{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948756,-0.316009,0.000000,0.000000,0.176435,-0.529713,0.829623,0.000000,-0.261618,0.785456,0.560905,0.000000,-1670392.324941,5015032.537366,3557328.237846,1],    "boundingVolume": {    "region": [1.892268,0.595367,1.892364,0.595590,0.000000,8.803720]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1181303.b3dm"}}}