{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503209367",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a62f526968fff1f710c7833a0232b58f152918edf47dc55a031b632183122f5",
    "signature": "0x0150836bb6c6e8de06f25075421071cc112939d70484a45eb8dc654a75787ebc2376495fcbbf75a619732601431ea909792966648bc19a3a8ea88dbc78299dde1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}