{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950335,-0.311228,0.000000,0.000000,0.173553,-0.529943,0.830084,0.000000,-0.257804,0.787204,0.560220,0.000000,-1646040.196098,5026180.280743,3552973.151494,1],    "boundingVolume": {    "region": [1.887232,0.594593,1.887331,0.594710,0.000000,8.654115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1459003.b3dm"}}}