{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1378604348",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64ce42a0596230dfa21112ec9a47caafb2f1e43d13e59131ea6d0f551daf56b8",
    "signature": "0x1fdec23b6dbb02f66d0dcc6815684ae714eafd645fc94ce0742325fdbf4110233e8b44fc8aca451e68660e3a022c277caaec57bf2dd7d83306b6bd92c289c8e61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}