{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553747",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb0b0c49e278ca1c92852178d7668f348d2b5524f9d18ccd4612a1265d7fb2481",
    "signature": "0x3c6b916acad2a0e6975c34f75808bc9fbbfd9f908a6a5934a1a93679e71645b23ba3442383dde5e2390f00d38998fcd1d45e3fa958600868c7bdd00c4c3c647d1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}