{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898717,-0.438528,0.000000,0.000000,0.283098,-0.580180,0.763705,0.000000,-0.333966,0.684429,0.648092,0.000000,-2133084.587156,4371533.818197,4111731.220634,1],    "boundingVolume": {    "region": [2.024674,0.705017,2.024839,0.705136,0.000000,6.897876]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1843962.b3dm"}}}