{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xad702edf8541839cd04c210d14fb7d03f6135b1229beea064599942f5b436ae0",
    "signature": "0xcdfc6c216cf719523f05f208dfea5285be339dfdf7a0134bca3297cb910f4d7766eddc1e5e9c775208e4f66e776db985c5eb980adb7c4d6f5bed4d69be3b0eee1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}