{
  "manageEntity": {
    "action": "Repost",
    "entityId": "777445617",
    "entityType": "Playlist",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x964b79edb60e4a6942bc1eeb06c1a81087426abb2fe239e34733b85d60c89be5",
    "signature": "0x081b204d93a420db812b420a8a18ff8c5a384e343bdcff5853e87aa0dc704a61422205ef61a7b32907bc4fb17026932d3df0515949fc2dda8f46d30be73d4eef1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}