{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506709141",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc7e4542ca808f3b25273fdc381ba694230e786ac01dbc0b5d65acce4d6a494e4",
    "signature": "0x67f6f9f50cbd3ebaa6b4f69636ecf20b831080b28a7b15591f99bc8205057b3e08cfa5d02fb6dc9851d162372eb2b55d2f3e8c0f1c3cb6438024bad8521c9c481c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}