{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950032,-0.312151,0.000000,0.000000,0.174456,-0.530958,0.829246,0.000000,-0.258305,0.786151,0.561466,0.000000,-1649245.300951,5019480.819796,3560895.556314,1],    "boundingVolume": {    "region": [1.888167,0.596054,1.888338,0.596259,0.000000,12.781761]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1349253.b3dm"}}}