{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896221,-0.443608,0.000000,0.000000,0.283829,-0.573420,0.768525,0.000000,-0.339984,0.686869,0.642356,0.000000,-2171464.472354,4387009.569776,4075241.569054,1],    "boundingVolume": {    "region": [2.030350,0.697509,2.030483,0.697628,0.000000,41.003347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/0_557778.b3dm"}}}