{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948785,-0.315923,0.000000,0.000000,0.176260,-0.529347,0.829894,0.000000,-0.261633,0.785739,0.560502,0.000000,-1670485.605123,5016828.208022,3554768.813064,1],    "boundingVolume": {    "region": [1.892178,0.594881,1.892274,0.595104,0.000000,8.679202]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1178466.b3dm"}}}