{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1657950219",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe090479bdaee0281affe7704b52196523b43a607890e41647f9d05157150072d",
    "signature": "0x86164a7406a6a237543105c7ac77552bc82ddc46d93ee25b866e8db3404fc2957e82ead7c1d67504116d73d8caa3111240639e54e567bfe23716a29551abe9731c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}