{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645483574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe956087d6f38279002c4aea70a4a6260dbca554fdb42f4aca3feae3aa431caf5",
    "signature": "0x3375920e0c84cde58bf728a75a55fdae29bb04837d39683d9bca1ad9f21fcf5d152f175fd044d2e5793983013fb8c7fc5d4db0e73cef5eea72a5e836de2aab5a1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}