{
  "manageEntity": {
    "action": "Repost",
    "entityId": "393173036",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x578e5859957d8c6e45f1d717ab7dd94dbe6e4628d1240c02ac32563ad002690d",
    "signature": "0x4a75d9862908dc714a8d970840a29cf8f6d5b8d28cc73f5507bf587a47642ed21fd9be760097020c994a55480d72ab6dc5a0e1f4d984788d83e27c890906df111b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}