{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949898,-0.312560,0.000000,0.000000,0.174704,-0.530941,0.829205,0.000000,-0.258631,0.786001,0.561527,0.000000,-1651325.473865,5018520.943908,3561281.805890,1],    "boundingVolume": {    "region": [1.888598,0.596128,1.888769,0.596333,0.000000,21.329116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437960.b3dm"}}}