{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950148,-0.311798,0.000000,0.000000,0.173850,-0.529777,0.830128,0.000000,-0.258290,0.787092,0.560154,0.000000,-1649141.473384,5025460.324319,3552556.213851,1],    "boundingVolume": {    "region": [1.887799,0.594506,1.887963,0.594638,0.000000,8.783335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1458448.b3dm"}}}