{
  "manageEntity": {
    "action": "Repost",
    "entityId": "778921105",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb099c21cc98285d1f886fc383ca6ee6dcc06767e9bd5c3d9000c451af8cd4795",
    "signature": "0x2142ef2f6741cc003c1287c27229e0c02841f4c733bb7c1b4a0667f8324d658228c6853534b0cb7ed21cab2ebe9830b371c2b602d378a1710be0af16613f40961b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}