{
  "manageEntity": {
    "action": "Repost",
    "entityId": "455988898",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9e50f081645e5694dcaef004a995f38295da8eee885439e84ba59c0e79113743",
    "signature": "0x818a4db5c7a8444977c9dbd1e549b4e37c40b57eda280d32418c0774247811976cf1c37efe4b1e8b596906e224dfecdcbd70e290134fbfb7628025479386b9dc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}