{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898453,-0.439070,0.000000,0.000000,0.283954,-0.581045,0.762730,0.000000,-0.333949,0.683347,0.649242,0.000000,-2132980.878713,4364646.231537,4119046.186229,1],    "boundingVolume": {    "region": [2.025309,0.706549,2.025410,0.706624,0.000000,6.368182]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819210.b3dm"}}}