{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121494780",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3359b0ff888118800068708e0273427a5f71fbdb0c2bf41e627dbeb1db37cd24",
    "signature": "0xfc43aeb024cbdfd55f85fc040e7a6b84d832cc6b012d21ca09ee32ecdc954f1102edcb580f8dbe47dfb147fca015e6f3ba677f347af0dab4c1d3c31dde5319331c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}