{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640374421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e1f873e35658c85f7f61398fabc44c703cb524b63d32a4bf85c9cb7f984e2d2",
    "signature": "0xc09813dc4688cb5d4d2beb01015db625c4fea8d3b698131ad3b1a8071b27f77f6783f1cd13544982ada763a2dcf6fff4ed768229c95489f924d7daabe125f26c1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}