{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519818866",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe491c1c428fe8379d2b4cf6e8d42af2a17951ecc4ac2807f783230f866fa2196",
    "signature": "0x11ff62a2ce7702fec808ab5e889e1c4e2819e8921efe6a6ab987767458cf504a04eb65269da51721ba55826933929f05655b5c9d501bebdceafa914763272b051b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}