{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbbd3cce9de30a59814693d0dd7a59f59539ea7c15cb0f5d1b1b57818192b7eb3",
    "signature": "0x0332be4ab20b0290a7c46c63dfe27839f335b3bf499d1eeebccaa33db779414c7942c023da697fbb142e0ba6092478d4ed7413e10a0a35c8e78e2b3d14ed9e0d1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}