{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669832901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcba35fc42e33866acd5eda843b1cfd0bff95b4f6d5d0e9bb3019c93d2aa0ece9",
    "signature": "0xa47bffe2ad086d70f562cda9d77a46dcca8232fe3830b01f7fb4d4a4ca93f2e16a1083dd2b92df6ae7158891d30d89f6928e2ecd00537baf197fa23a867e52a31b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}