{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897676,-0.440656,0.000000,0.000000,0.283066,-0.576643,0.766392,0.000000,-0.336777,0.686060,0.644905,0.000000,-2151006.859164,4381890.306985,4091456.845165,1],    "boundingVolume": {    "region": [2.027063,0.700865,2.027189,0.700934,0.000000,10.759433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_860720.b3dm"}}}