{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121440670",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x08d3cb2399f920e7cd59a495391abe0acb3739bf4d092b56f915f257d796987c",
    "signature": "0x8040ff7dde965a751eb764def5b0165b499c5e484ab35263734ded3a4f2d29ae2568bdebd76804bdf08b31a6a7d3bfa5cbf6cba8986c088b5f87d0d18cb80f511c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}