{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a812a87c1b83426c2aa177166c8436941a1c6b2ec3460eee267495e03ede811",
    "signature": "0x0e5a192ef088d513d8c0cee0f375954336f47029a32436f288bec4249185492e657684f645fe4650656d2cfea2cd8eaf3106c6b0a6e45c9f7a2aec8c23674b731c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}