{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898084,-0.439825,0.000000,0.000000,0.284323,-0.580563,0.762959,0.000000,-0.334624,0.683273,0.648972,0.000000,-2137292.747214,4364167.517005,4117329.538111,1],    "boundingVolume": {    "region": [2.026133,0.706121,2.026266,0.706343,0.000000,35.525152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1821158.b3dm"}}}