{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504497",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3356848d75f743ee0added841cb30bdaa3b23acebe796f89814b4208ba4ce110",
    "signature": "0xbe12a98bbc3c02605f897e02b77265898bc58474fc0b6ee89c6f96546cb98bc0391c3e4178bb2385f2f25ec7e31d1786844e0df3775b3e4c0b5ec3a9c3906b441c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}