{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949085,-0.315019,0.000000,0.000000,0.116153,-0.349943,0.929542,0.000000,-0.292554,0.881405,0.370861,0.000000,-1866811.908756,5624309.729207,2350647.902544,1],    "boundingVolume": {    "region": [1.891219,0.379878,1.891327,0.379993,0.000000,70.386220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/21_963.b3dm"}}}