{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949030,-0.315184,0.000000,0.000000,0.175783,-0.529287,0.830034,0.000000,-0.261065,0.786076,0.560295,0.000000,-1666861.592356,5018974.222073,3553449.330027,1],    "boundingVolume": {    "region": [1.891400,0.594646,1.891495,0.594837,0.000000,20.220765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1212656.b3dm"}}}