{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949005,-0.315260,0.000000,0.000000,0.175931,-0.529594,0.829806,0.000000,-0.261056,0.785837,0.560633,0.000000,-1666803.117070,5017460.131153,3555599.825474,1],    "boundingVolume": {    "region": [1.891480,0.595055,1.891574,0.595245,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1074419.b3dm"}}}