{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949576,-0.313538,0.000000,0.000000,0.115545,-0.349937,0.929620,0.000000,-0.291204,0.881935,0.370662,0.000000,-1858194.775033,5627691.255855,2349390.417370,1],    "boundingVolume": {    "region": [1.889659,0.379665,1.889767,0.379780,0.000000,8.187161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/19_74207.b3dm"}}}