{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557940713",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfdc3766d555ddd433a07420f669de4a3ed58c0a6961cc251dc176de3b7639cee",
    "signature": "0xdd16cef3ba7941983e7aac847cc07d987d4237daa432c012eb4bcaad7978fedf638e97819570617ed669031adc3cad3c47bc08ec7b6fc82a697a279012b41fe21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}