{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1623478666",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x392b911e7986214edfbbdd1d3d3aba88a647dfa319fc5a08ae274fe112a8733a",
    "signature": "0x560f7384de48298432911e6b08a9b8cb7f9bce97cc07c69e3092a51a6683c1d962d6442d0542ed72fcfc7ebc33e15e4dbdd4529fbf9cb6240cdaa8cc4e232f2c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}