{
  "manageEntity": {
    "action": "Repost",
    "entityId": "642839181",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c3aa8fd48d0f0f06df6af08e74ef449126bcc3024d03c1f0712488200239c74",
    "signature": "0xc60590f8a274aa31c973a7c8c4b4a6ce69b3201d86de2a8969002472e5738bd63bff1d3a669f7728d6314d9e7d82081d4eabfc35d0bd2e498d0545cc5ec587321c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}