{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897422,-0.441174,0.000000,0.000000,0.285834,-0.581433,0.761731,0.000000,-0.335106,0.681662,0.650416,0.000000,-2140386.535780,4353901.985767,4126518.312369,1],    "boundingVolume": {    "region": [2.027627,0.708018,2.027779,0.708246,0.000000,11.827744]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797386.b3dm"}}}