{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1597421000",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd64cdca471e5b347dfca2cf7dae0ee06da0c6dde0f07516263f35741dc60061b",
    "signature": "0xe75733a80d33749c8e407e29d2a96a5df780d97d4f18cfa2290aa6766bc70e3e3454e0e1bf4b8a42c846a392f8854216b12a71612eb134bf9dbe60b446c995951c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}