{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949489,-0.313800,0.000000,0.000000,0.175233,-0.530218,0.829556,0.000000,-0.259767,0.785998,0.561006,0.000000,-1658577.311336,5018495.306344,3557968.733747,1],    "boundingVolume": {    "region": [1.889907,0.595468,1.890069,0.595733,0.000000,8.818167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1366719.b3dm"}}}