{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564443616",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x471056348e06fb1cd0f413e6b8e70eb27ebc92143144e5ae497011647e151731",
    "signature": "0xfc2f8af5957397dbe43bd9f3c8cca2735585745d258e7368dd21cf116d59334746e4a696daba94407656fa8b761d03ce9924cd85722242342f06bbc0c5b0bf021b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}