{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645282059",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b68d2543f10b279bfb36502c3d5499ae6a1cd94aede1bf7f65cdfcba326a141",
    "signature": "0x9d67b64438044f5d88ec32dd14007a529351b2ddbf655efdc4b0bed05979193802d150b566725406d07f5301c2e4e18d1eccc5488fd06861e7e9bbb6589a89241b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}