{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604128",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74f5bc016e60e8b90649c0533be84d55040fdeaf7bf7f4372b8d9446bd42a5cc",
    "signature": "0xddec9bdd5a60701af9bd39c32fbaf78ec1a384412005037149fd95d681b8c716780ffebdacdad89cfe45953c961966ab7c854da807c69488d664a4dc0eeb17f51c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}