{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948862,-0.315692,0.000000,0.000000,0.176368,-0.530102,0.829389,0.000000,-0.261281,0.785319,0.561254,0.000000,-1668243.590586,5014164.187992,3559544.992750,1],    "boundingVolume": {    "region": [1.891914,0.595847,1.892051,0.595953,0.000000,7.397863]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1069119.b3dm"}}}