{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638497474",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x961f49327ef87609e2194c2b002e7e6dd697de50dde1949ed2277ae62fb6d64e",
    "signature": "0x2181a18c5a83508c3db308bf7e1bc31c077bd657712e522cef143c64fe822cf63b9cf75856a313a58287eecfe07ea9dc71e20bd0879a1fb690cde915eb5b50b11b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}