{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949885,-0.312600,0.000000,0.000000,0.174481,-0.530189,0.829733,0.000000,-0.258830,0.786495,0.560742,0.000000,-1652592.001657,5021663.419811,3556294.671077,1],    "boundingVolume": {    "region": [1.888643,0.595217,1.888807,0.595348,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356198.b3dm"}}}