{
  "manageEntity": {
    "action": "Repost",
    "entityId": "289951",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1e843097fb1c3311923e2bf548ca584f0ee1f03130d3d83679e5a7a81fda84a6",
    "signature": "0xa66def37caaf53f81bab2bef82c0884ce87244e068e29706f557961ab13290de5dca3e43763bd41b874be26680058cd0811dae512578985a19c4f326d481b6451b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}