{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950585,-0.310464,0.000000,0.000000,0.173604,-0.531545,0.829049,0.000000,-0.256847,0.786420,0.561759,0.000000,-1639938.305575,5021203.374956,3562752.419073,1],    "boundingVolume": {    "region": [1.886428,0.596461,1.886526,0.596559,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389995.b3dm"}}}