{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949480,-0.313827,0.000000,0.000000,0.175049,-0.529607,0.829984,0.000000,-0.259925,0.786401,0.560368,0.000000,-1659585.271679,5021053.056398,3553915.104671,1],    "boundingVolume": {    "region": [1.889937,0.594697,1.890099,0.594963,0.000000,8.804800]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1461920.b3dm"}}}