{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521797763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x884928938d58e8e0263fd7e055d5a1071491dfbd80230a5f947b7cc29fc16171",
    "signature": "0x6894819f8a9bf11c2b855cc2ec87c7acd595da46cecdab5bd100da6804f52cc03c5fbb88f288b580359dc3895c4244d29b893d5d0a627a92d266219b911884481b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}