{
  "manageEntity": {
    "action": "Repost",
    "entityId": "434748871",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9ab6d34b44eb790f4b403fd923f4ab3f2a7bf69a4086e79f85ec6e22705534d",
    "signature": "0xe44a4c801579dc80d15b18733f6d9013fbdffffe0e3e934c4fbe629c6cd40de3401e9055ae872ce054634c57f8a18fb19706f7766297daf5d7e3fc0877be82201c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}