{
  "manageEntity": {
    "action": "Repost",
    "entityId": "783063785",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd6f2f18d6674f39237f7ff31f20ed23e87c934eed936798546e5b3bd5d895bc5",
    "signature": "0x78233d956142e65b5d1f79ec7e8fa1bb984434b53cbc1743be4893f1feb4192d7046ec837559c8120de3a7996f05a154760bf8d7a1941c6ded3c647f01e3c14d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}