{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757593697",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x434a508d6f4b970028045ea50601d1a95a19700da79da259a2f74c59dfc25541",
    "signature": "0xb6d456816f31aadf7edd543ccbf79efe30f297aa2594db810abea3cc983889574298e5cfabd9e22c2603b5222df3c428bdd690e4592e41d5bd58266f022e44de1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}