{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1471421305",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43c47dd31a09aeefa13f6dfc1db61e627240c2134aab69eb1b7653c0f8dc7d4d",
    "signature": "0x781be505d06aeed361c34aec8a89abf3c0de69053b5ca348b08af80cc22dd1f32bfdbea7648e5dc17bc97937df7e5af399f438eb486a34ff1250d34c39dc01711b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}