{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949822,-0.312790,0.000000,0.000000,0.174606,-0.530212,0.829692,0.000000,-0.258974,0.786404,0.560804,0.000000,-1653512.570944,5021082.379104,3556684.529772,1],    "boundingVolume": {    "region": [1.888843,0.595291,1.889007,0.595422,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355716.b3dm"}}}