{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421712198",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f8bb388fd810020e2d49dfa665d67a0988400da5bbdf919fb3bc3f7c34bdaa5",
    "signature": "0x432397664641b59c800206c0e498e760c6bf02e88cccb810ed9749a48d6e06fe7f0df9a4e7b260f80964dad64e5686e0e398edbdc62c4aae5ba1bea0d94897c01b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}