{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950244,-0.311506,0.000000,0.000000,0.173963,-0.530671,0.829533,0.000000,-0.257861,0.786602,0.561039,0.000000,-1646409.122223,5022350.156799,3558179.470709,1],    "boundingVolume": {    "region": [1.887524,0.595582,1.887623,0.595699,0.000000,8.738352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1428251.b3dm"}}}