{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.947958,-0.318396,0.000000,0.000000,0.116921,-0.348108,0.930135,0.000000,-0.295881,0.880926,0.369357,0.000000,-1888034.692396,5621231.300303,2341106.058457,1],    "boundingVolume": {    "region": [1.894781,0.378277,1.894885,0.378356,0.000000,32.633693]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/29/18_13938.b3dm"}}}