{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899084,-0.437777,0.000000,0.000000,0.282753,-0.580703,0.763436,0.000000,-0.333276,0.684465,0.648410,0.000000,-2128675.658559,4371767.361602,4113753.683745,1],    "boundingVolume": {    "region": [2.023838,0.705434,2.024003,0.705553,0.000000,17.353750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827851.b3dm"}}}