{
  "manageEntity": {
    "action": "Repost",
    "entityId": "306459428",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74ee529bf286d33cc98c6153ee00fa0c8601e6df6533be22c7ea2ba762ec9cf3",
    "signature": "0xd945770abff9bf75ebcdc83d5b2fcb6864fca5d6f720a10f4d79981700584a57438457fe8db6b41b2d88e9bfbbe0dcf0a549094ff57419c9f8a40fc786147b5e1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}