{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1153481405b7f6e0c0e9ef6fea9c78c3e12587792ec37b474f3618111075395d",
    "signature": "0xcc24b4feec98033d0f72b94fe0c486eab59b6bc43e68476e2ac46d4ed844b4db01d1aba7a308ebb063bbe490197f39acbb2d54c1733e3dc010943519d29a7c9f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}