{
  "manageEntity": {
    "action": "Repost",
    "entityId": "259416829",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9fe0ffb8cc9eeca0cc4fad7a6dfeece3f3c5513079c42ca917b08d5cc6d7922c",
    "signature": "0xe05b7df11e5de89013bad8bad9a37b9459ad2d558734a63b26caabc2d7fea2f143893eadbf4c52e5c9120aab3e097a5172c55286e7f21435fb3904ec069c957c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}