{
  "manageEntity": {
    "action": "Repost",
    "entityId": "756452288",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a7168e5bc4903fa5209ed152c3b69bc3a7c6f11237bf0f1413b2e2fb5d9cd98",
    "signature": "0xc5bf3fd2dbd90df7b85e2aafdfdca978e9e3ea5ce46a5ca004d0568b164e0e50656a3510ea431de31b880fadb359fab3a91c49897ab775c78816ef692dca91a31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}