{
  "manageEntity": {
    "action": "Repost",
    "entityId": "665552",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58f7b49f6186fa2b9d85b8c0986a316c1d49cbcd6415aa1f7c09480913975045",
    "signature": "0xae040e6f694ca7760c951451d3edd3a4d4416ccf1d01f494f2dc304df56d03822b925d6a6c09c1043350f9258072b5f7c18b82e39efff1b67c53f34feb58771b1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}