{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504395664",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdcd00a3fa54e22e57cf317963dff0131543b0b2b565efc6f191aef06d1438cbe",
    "signature": "0x10318df700834e1644c3ac2b4333e29b8eccfeb1aa78997e40d63e67230bf5bc614b3d733a89c065a11d30df6c08a296d364ff315b327ac2c7a4b3b774c406581c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}