{
  "manageEntity": {
    "action": "Repost",
    "entityId": "647881407",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd8b5ca60ccbcdbab7eec4347f94c5daff1632dc0049a736c91131d522a2dc9f",
    "signature": "0xc38f6f132987d96e09295c0b066021e2f6a08ac16b2fc69a5d3134812b4de6d855d8ce27e7779b60ddfd8971ff5b6ccea7b4634d4ca785cf9cea90517ce3ab961c",
    "signer": "0x3324C23609BC25902C39CFa38CF40581c7Bc7F87",
    "userId": "229134011"
  }
}