{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951202,-0.308568,0.000000,0.000000,0.115652,-0.356513,0.927105,0.000000,-0.285804,0.881028,0.376970,0.000000,-1823762.800481,5621989.889468,2389408.482240,1],    "boundingVolume": {    "region": [1.884402,0.386471,1.884565,0.386574,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_1898.b3dm"}}}