{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603026",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40cbedf530f7378d04630354dbf1bfe6d74241c7850051207cf4fe005aa95387",
    "signature": "0xe197d6111a067b86c2f7b34af49abeb32875de8a4abe7c42d911df3ee949d4421bded83cc023b349a20da45cc6678ee6630a846b45e2b92bc59aed27479215771c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}