{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897970,-0.440058,0.000000,0.000000,0.284656,-0.580862,0.762608,0.000000,-0.334646,0.682869,0.649386,0.000000,-2137436.339216,4361593.192990,4119964.244692,1],    "boundingVolume": {    "region": [2.026393,0.706665,2.026525,0.706888,0.000000,6.763389]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823487.b3dm"}}}