{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616891506",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5970cf11f0fa9ac3fe536a2a188455a82b5db5291eb798e90b563b7f23b6e465",
    "signature": "0x97f98db0db002142001de4fd04e670ee5546b93dab2319ae61a2d5074930715b64a7338e1a03e139481350020b2992d584250aefb925e990e28ced598dbd7c1e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}