{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943980,-0.330002,0.000000,0.000000,0.184184,-0.526865,0.829753,0.000000,-0.273245,0.781626,0.560713,0.000000,-1744628.952355,4990569.841022,3556105.616536,1],    "boundingVolume": {    "region": [1.907054,0.595189,1.907149,0.595304,0.000000,8.821102]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1276216.b3dm"}}}