{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450627321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x621d211220b7085e4bddef8769dd9ba8068a219bb301b47e311e6a4317585088",
    "signature": "0x6c1cb94af486751efca4f5ebc3ea69469aee8c2ee6b07ede0afb6aa7556433be5ca3559aab5d75462e601df606d87327e37df68decc6022dbc35aee7c7f4430d1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}