{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544314",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c1e07fb4e2ae1eedded0f7a494d32945e3035b60e880f9b24dd0770baa6b9b8",
    "signature": "0xd43987be2f52e65c3bf38fcacd74748e84395525e35df225a83a537a85a9bbba2dec6b77b6ab0b05e0d056f3739d27fcff6b3c35f6d6204856e8ccecab06a9001b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}