{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951385,-0.308006,0.000000,0.000000,0.115422,-0.356523,0.927129,0.000000,-0.285290,0.881220,0.376909,0.000000,-1820486.109273,5623217.260426,2389021.638805,1],    "boundingVolume": {    "region": [1.883811,0.386406,1.883974,0.386509,0.000000,38.434820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/11_73455.b3dm"}}}