{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489426537",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8838c1dec46ea8e465eb1a087a268e1451610eecce44d253c97bc64315b489e8",
    "signature": "0xa0a1188acd348078daba5f0f01c2b1c0809e7c1f375d2013ac304727e217a0c062e794f0c60147e69cd04a5bd5491dfbf3fc4300d6fb798b385be73f81eee4fb1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}