{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1253541231",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fcf1a8cb4b8500fcd83a60cfa59fd5cd3978693483aa38e09348eade77dfdb6",
    "signature": "0x8cd20cdc12bccac6ce92c2569ca27aca0e45bf5018aea01564d92e13be864fd75e6bb2df1e5b9f0f1c01273bb06fb2e4660c63af77cece0a7447847dc599ace61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}