{
  "manageEntity": {
    "action": "Repost",
    "entityId": "492912138",
    "entityType": "Track",
    "nonce": "1789430178729934128",
    "signature": "0x124f914cbf6ac241ca32c5002074d517f6392d4dd209313fd73339d7271aee3b0cb1655d6b3388819c77f043f337811f063690f062318b330bc7e66f839d7f941b",
    "signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
    "userId": "568518925"
  }
}