{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878689390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6bdab73e8ba7feadcec518788d78266ccf69cf8e98eb7e84abab0af5afd03de4",
    "signature": "0x289dfbf7f4d1c68f5301517f0724163bd43928a81b789f8c3c7342a3b59aade21617e5b1e290940bf250bbf9157f06a3da413371c40e0ea05ca33daacc8ccbbe1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}