{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948746,-0.316039,0.000000,0.000000,0.176484,-0.529805,0.829554,0.000000,-0.261620,0.785382,0.561008,0.000000,-1670409.141226,5014559.707893,3557982.423810,1],    "boundingVolume": {    "region": [1.892279,0.595550,1.892416,0.595656,0.000000,8.645669]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/5_1070762.b3dm"}}}