{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899240,-0.437455,0.000000,0.000000,0.282431,-0.580569,0.763657,0.000000,-0.333128,0.684784,0.648149,0.000000,-2127731.846149,4373798.894277,4112093.355280,1],    "boundingVolume": {    "region": [2.023481,0.705091,2.023646,0.705210,0.000000,7.712946]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_1842776.b3dm"}}}