{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949528,-0.313683,0.000000,0.000000,0.115060,-0.348289,0.930299,0.000000,-0.291554,0.882542,0.368939,0.000000,-1860420.309710,5631539.018108,2338457.185154,1],    "boundingVolume": {    "region": [1.889782,0.377743,1.889950,0.377992,0.000000,10.385760]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_15419.b3dm"}}}