{
  "manageEntity": {
    "action": "Repost",
    "entityId": "658530",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d8a7eb217e00e6267672e57a8ebdbd262a3895a6a6156b3420931f5287a2ad4",
    "signature": "0x23e5e9a4b5e9e1b271e30a5ef821f42a79a3380a1fbf5a43bdc5ee9a43d274237700f8d97ff12f9af4d9304477ac650c69527c4cb0bc45260c8398aa9129da4a1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}