{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897927,-0.440144,0.000000,0.000000,0.281385,-0.574046,0.768956,0.000000,-0.337520,0.688566,0.641839,0.000000,-2155721.825092,4397839.361610,4071947.689819,1],    "boundingVolume": {    "region": [2.026509,0.696865,2.026602,0.696922,0.000000,38.126551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/3_750931.b3dm"}}}