{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1486045595f4b3ecfe771e5a37266c6c2f029137955cc95ec0f7fafbff5298c",
    "signature": "0xfca193181f9708f79935613015274447a2431dfc5fbc9921c932c467cdc3630c53b644147edbd38db3e36bd8cadb845dbb4d11f5277d2e9aeaa7ed547c066b0c1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}