{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573799778",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x281aa7fedfbe5a635f3732a4a59a70537406a18a4d9c409ebb329fe18b41cd37",
    "signature": "0x0ef446927b172f6afa2b8d8d553c7d3524b58e1fed2af5144c5af28a40bd5cb4659fce08aeed738c202744b5d28cdaeb6bc96a8635dfb31249c877d0397e95581c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}