{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1556201304",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x515f9fcccc3d06126174ab088c899e3e8328f9d9545ab7d6a48da34e908eb187",
    "signature": "0x31591315e83472e1c8894d8c292711274934f71db94a83020070c64366a6e82f47d71bbcd418c6828fffcc69e992ea0e3effef24914fc631edbd6c679f673a641c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}