{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2f8f159aad64d4439ec0b711b6e14749e17ff73f9c1ded8eb85f2b4264a8e042",
    "signature": "0x5cd7637781ab9c88273aee834f2f1f125d1d1544f12055768dc5e8e2cdc3250862f765aede5f480b12f56d5c8080e25f7600f066a712d8e338681ac74eceedb71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}