{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857619461",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x77bb80fd7d1fcefebeb83cf097a91b935ab1bc8b2a2c941e641cfe30b117030f",
    "signature": "0xe55e9612793742c7796db6d73f8cbb6ae57fbf1afcedada8ab54fff1715480f34b672d99c19e561b9764e8bfee225b2d0d05dfd9176af53cc56bc4e8bfe026d21c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}