{
  "manageEntity": {
    "action": "Repost",
    "entityId": "728357",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x49d213cb73a5e11c4ce6e4551557c34bf3eeae9f6c4bd330cc8a6a5d1322e385",
    "signature": "0x2bc784c178fdf597bfa171b396a494e3580a1e3cbfcf410ffcfef0a5e5655b0b62c0430b6120652182007bb7a8094e7e298baa6b6bc56efd5a3ae13d54d85a2e1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}