{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949745,-0.313024,0.000000,0.000000,0.115344,-0.349964,0.929635,0.000000,-0.290731,0.882107,0.370625,0.000000,-1855178.128940,5628785.552369,2349154.488882,1],    "boundingVolume": {    "region": [1.889103,0.379591,1.889241,0.379773,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73263.b3dm"}}}