{
  "manageEntity": {
    "action": "Repost",
    "entityId": "815316845",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6e39737cb58fa872d4acaa85448c24af9f362df51e58b5220d8ef1c37af1d2f6",
    "signature": "0xa83b1dc17276becd3764c35dd26fad42c69a38523feee5d35e7e03085bead26f52669a6f81b8d7bcfb7d2b75f4940019092aae47419d14ea9ed1f00431a4e8f51b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}