{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871348,-0.490666,0.000000,0.000000,0.211825,-0.376169,0.902013,0.000000,-0.442030,0.784978,0.434072,0.000000,-2821109.137282,5009858.008907,2751774.755732,1],    "boundingVolume": {    "region": [2.083594,0.448968,2.083706,0.449049,0.000000,59.299828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_222509.b3dm"}}}