{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898015,-0.439965,0.000000,0.000000,0.281239,-0.574039,0.769015,0.000000,-0.337408,0.688686,0.641768,0.000000,-2155009.544203,4398603.695237,4071502.115596,1],    "boundingVolume": {    "region": [2.026309,0.696774,2.026402,0.696830,0.000000,23.336062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_750590.b3dm"}}}