{
  "manageEntity": {
    "action": "Repost",
    "entityId": "770446998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc5bb693ff79a90b725a7cfc53920e0400cff3de3289c26b1fb72b9239d4508f7",
    "signature": "0x9c3a3567891530d56ada8d9710c90371bcec76954f41587cd7c0c51b9e2b350d4c24c970a714041ef8e864d77142a7993bc69270aceb3124efd733d2215961ac1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}