{
  "manageEntity": {
    "action": "Repost",
    "entityId": "534251",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4480c7696b2448e67bb409797c4ff4c7fae2d1caa3a90337b27f5d1b20f1de0a",
    "signature": "0xc84deefc800f2b2a1511560d25f47128886ffa1c7d038416c0908920f0d25724189275d3ac07c0522af1a4903f791e5c814b6dab07e3c08fed42af9bc21884da1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}