{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504216447",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x41796779ecc9c6d15a9074d4d8975c06c51a177ed7a6c02291f2fbd59c8da4b9",
    "signature": "0x1ad16ff954ea7ab786dafd75f1f4d6db54fa9af8f1c8b47ea54cfcf68d29ab540605b93efb9367f1d9a0cc535d34a988aeee5f7377479ac406ab04eae68dcadd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}