{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943781,-0.330572,0.000000,0.000000,0.184210,-0.525918,0.830348,0.000000,-0.273915,0.782026,0.559827,0.000000,-1748905.076096,4993107.683985,3550476.163538,1],    "boundingVolume": {    "region": [1.907651,0.594087,1.907761,0.594267,0.000000,8.073148]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1242946.b3dm"}}}