{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949105,-0.314959,0.000000,0.000000,0.116106,-0.349877,0.929573,0.000000,-0.292508,0.881453,0.370782,0.000000,-1866517.714111,5624616.813615,2350150.056832,1],    "boundingVolume": {    "region": [1.891155,0.379794,1.891264,0.379909,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_77071.b3dm"}}}