{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949625,-0.313388,0.000000,0.000000,0.175170,-0.530798,0.829198,0.000000,-0.259314,0.785769,0.561537,0.000000,-1655685.947356,5017040.441502,3561342.823862,1],    "boundingVolume": {    "region": [1.889506,0.596201,1.889605,0.596283,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443777.b3dm"}}}