{
  "manageEntity": {
    "action": "Repost",
    "entityId": "278218616",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e42ce7918912bdaf24a604fe48c9c00743707478458fcbb616625d5769cda7b",
    "signature": "0xdb3c0599b744d755a0354408dab58a08c07848855241b58c73279dffdc0be1ca49ea819b9d3259be83196472a6f6d7c2682de065e300793d91392a8b02024e0c1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}