{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510645501",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2f73539afeb141bb7517a8e068dee64cdab6d38466599368ab91cb4479e28fba",
    "signature": "0x36435880ba2889e959d5788d44493167bc93fa4f7bdf30f0438f101b7c82a5f70a3ecae84b0a873888b9901f3261b0c5b256e343b7a99f8eae8d70cb2aeace7d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}