{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944154,-0.329504,0.000000,0.000000,0.184211,-0.527834,0.829130,0.000000,-0.272626,0.781178,0.561637,0.000000,-1740685.410039,4987726.849769,3561982.303784,1],    "boundingVolume": {    "region": [1.906517,0.596326,1.906632,0.596401,0.000000,8.759431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_191709.b3dm"}}}