{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574477144",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16177497d919ca9ebb6710b906388620cbea6278d374e80ef86c9aa51a10df5f",
    "signature": "0x22e13b08e4346f4020b71987c845dff3f7231f883f8a021aa7e518ab4b11ac4e0efb3dac07a905c5e8fa29b1aabbd2a44b09121b497c0f9e1a4134d84649ef901c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}