{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564444272",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e3187876d07376d6ff83c89fd57bb9691bd62e06f0c5c9e47ac039047500487",
    "signature": "0x7595a81dbc1647c6b63f759a1e0663d51447aba7627e7be82456a658a407b60e5fc200d1364270b86d180a1a7d70d4f44c69e8b5880524e5093e5817b23f92721b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}