{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399818006",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x02a6f4a5cb4ba0cde325144c61884817e30227d9590cc73b2508b10fb4f2422c",
    "signature": "0xeb2fc86fd1e147df4aea5146c02db662f305a7b416e8a619de38e2dd1f9082a26a66329ccfcf36de9c1f9a50b0e0fc3455f758ea87bc114bc49d8ae2fd25c54c1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}