{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950058,-0.312074,0.000000,0.000000,0.174040,-0.529836,0.830051,0.000000,-0.258495,0.786943,0.560269,0.000000,-1650448.743307,5024510.192027,3553288.047942,1],    "boundingVolume": {    "region": [1.888090,0.594645,1.888254,0.594777,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1459562.b3dm"}}}