{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948477,-0.316846,0.000000,0.000000,0.115776,-0.346576,0.930850,0.000000,-0.294670,0.882093,0.367534,0.000000,-1880294.619009,5628657.810375,2329541.016974,1],    "boundingVolume": {    "region": [1.893151,0.376329,1.893246,0.376383,0.000000,12.010252]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/6_29723.b3dm"}}}