{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897454,-0.441108,0.000000,0.000000,0.285796,-0.581465,0.761721,0.000000,-0.335052,0.681677,0.650428,0.000000,-2140037.543775,4354002.212252,4126593.061567,1],    "boundingVolume": {    "region": [2.027553,0.708034,2.027705,0.708261,0.000000,12.034007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797567.b3dm"}}}