{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948860,-0.315696,0.000000,0.000000,0.176368,-0.530094,0.829394,0.000000,-0.261286,0.785324,0.561246,0.000000,-1668274.767949,5014190.527211,3559493.623699,1],    "boundingVolume": {    "region": [1.891918,0.595837,1.892055,0.595943,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147941.b3dm"}}}