{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951971,-0.306187,0.000000,0.000000,0.169727,-0.527702,0.832300,0.000000,-0.254311,0.790685,0.556905,0.000000,-1623719.704891,5048339.781233,3531906.065045,1],    "boundingVolume": {    "region": [1.881927,0.590611,1.882035,0.590699,0.000000,6.191950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/29/30_1321797.b3dm"}}}