{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600268751",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x86f05b7c13c8d7aa06581f9f1bcfd5eb6f4556162057a382577ac5b0a82cb4fd",
    "signature": "0x543389e3722846e81dfdb05b097afc8ce3021713e8b0bede6d6e5137c298cf6512245136127dde4b8b13c92f3511a7d477df28fadd87f43b75920c4cc1888b971c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}