{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678374618",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5304ce9dcb0eb365768d433ce6107e8e3047e752cd7f233e3bbc65b7987093df",
    "signature": "0xbdaeaf52c0590147198dd7b5dd701b720e8cc61c1fa0d967846f5134164df67a75c31254b17b004847a0b71777d9a3e4573eaa79161d304a9aff4318c5f024a81b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}