{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894973,-0.446121,0.000000,0.000000,0.284413,-0.570567,0.770430,0.000000,-0.342764,0.687627,0.640064,0.000000,-2189201.400422,4391806.038651,4060657.751076,1],    "boundingVolume": {    "region": [2.033156,0.694519,2.033289,0.694644,0.000000,65.962072]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_980021.b3dm"}}}