{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948982,-0.315330,0.000000,0.000000,0.116078,-0.349335,0.929780,0.000000,-0.292919,0.881537,0.370257,0.000000,-1869135.724975,5625148.190810,2346817.617284,1],    "boundingVolume": {    "region": [1.891546,0.379228,1.891655,0.379343,0.000000,55.528026]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/15_7986.b3dm"}}}