{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949855,-0.312692,0.000000,0.000000,0.174736,-0.530790,0.829295,0.000000,-0.258768,0.786051,0.561393,0.000000,-1652200.394393,5018840.531032,3560431.264624,1],    "boundingVolume": {    "region": [1.888736,0.595966,1.888908,0.596171,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1350230.b3dm"}}}