{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621480980",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbc74b3f9449e6ff14748ad6d59cc9e7537d442f0add115b6d70f5a71155a0d4b",
    "signature": "0xaffbc02599249b0830d483e993dcc19d1a6d04e483db1a486cecb162b60304304a01e90371852295e93679227c7ceec4aa6e9b1c7d2f5cdbd4bb086b90bd104d1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}