{
  "manageEntity": {
    "action": "Repost",
    "entityId": "437583858",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd1c9a82453eb3a745c91e003cc6f6213d1081ee121748c31444dd8641813fca",
    "signature": "0xcfa5eaf591cba8a0ffa864c1d0a3b75a9751464e4785887ee53bf0d850457c97654d5178e3fd35918c6395e5c504d284030d1958f51d50debadc2ca90cb5fa261b",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}