{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949216,-0.314627,0.000000,0.000000,0.115947,-0.349806,0.929619,0.000000,-0.292215,0.881600,0.370665,0.000000,-1864642.914191,5625551.913853,2349405.037566,1],    "boundingVolume": {    "region": [1.890805,0.379667,1.890914,0.379782,0.000000,51.248855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75633.b3dm"}}}