{
  "manageEntity": {
    "action": "Repost",
    "entityId": "670709348",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x18d7b76d778ebcde36a480d20094a733254af6223cfe4c5efdedc32ff0734975",
    "signature": "0x19b6b3894562242e04af8416eb05ce666c7dc4af2d7d166c081a50524606dd39329c8fbde2cc5d0c137c9c77fc7e4d48b898f2fe7ee15c571bf623caf2fe66201b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}