{
  "manageEntity": {
    "action": "Repost",
    "entityId": "821420054",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x121a2805beb1f52e07cdbe597101ea8b0beb3415abd7e21455f147233b10051e",
    "signature": "0x106cc313c2f6c9a50c007cb3cd052b6560a797829febfb2ef4187fb537d965614466f0334a271e2836f6fb5d9c98ec5c877e55e4c58d7fc57190b7762303edc71c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}