{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1439247743",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc3d4ede12eb54c91f92d4f0abb8524bb5b616533919616bbcf2e3b53ff8ce22b",
    "signature": "0xf0616bcb6e2002fde2d97a4cdb130506be76d56043b3c4cd06f5c02b52958c982b95ff4dd18d75babdc8504ea108b42e204bee05af51e8315752e141477c480d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}