{
  "manageEntity": {
    "action": "Repost",
    "entityId": "743611",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x568c8c70a245993aea94d30b86d2be2f53e83513ef319114303af0601f53cdc1",
    "signature": "0x09a33509d0fc5f2c2f0b1bd2511489570e95f893bb8660ece5bd427c6c748272715741590951185cdb009d7b7d6e5cf8b9d66de8d68083f30e46684408d4ec951c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}