{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519224107",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4143e41667dbdafcb1d65feaa1183464055a2cea15c1ae588333a061890e53ea",
    "signature": "0x647924260563c2e5405357b327a153c73168d37e6c8e49d0fe86c803e93a73a0737d5f59b8a31f18acbe155c4cc02d98e4e27812fb3b7fa94efe9950944ea1931b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}