{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599603",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c332ad804734fa7c01317867407dd1aa9891eaf71671a29d6cb2cc795df5751",
    "signature": "0xcecfe6cf9794d9f7f18d46dcc8e2741cf7ee785405653b3d43d6b3070c46f834731af0a7d036190efc205c251c4e8737cae6a38be7033cbea2ddaba320e468591b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}