{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421799655",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2e988a9b68173d7e72ee890fd9604e49b617f9b13e5393ec8a715deb8caa314f",
    "signature": "0x8598af133ade7ec765385f6b3764b9b811d8b1f5ccd48ca30494dda2914026bc46dbcde411c4e4097f9bdfdb626ec948d253fc466c63fe2af08bd94f5c01d9ed1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}