{
  "manageEntity": {
    "action": "Repost",
    "entityId": "409830105",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1131dae9a3c7ed6bd902bc000e71bbe288eb6dbf96186b7dcbc330ea70d9642a",
    "signature": "0x915c4bbc03647c5f02ade633d51afec9f2757b180f1168aaab51925c949d2e645fd2d2815e0ed3e3c782925800aaeb1bde3ab4dcf36d1c9fbb471bce4794574f1c",
    "signer": "0x8FF85C5AA450a88f13FbD5170e24E2a3eFF32518",
    "userId": "311829956"
  }
}