{
  "manageEntity": {
    "action": "Repost",
    "entityId": "493166",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca397cada451952269c8dc8c9716a2e4e2d4f1d4b5fd8d384133590bc56f2577",
    "signature": "0x70e6905c2b57fdaee0bb1fee4e90e034362bfcac6d2c34a839bf4b364cf79a970cf2bb5e0052861573078a71008bcbcb1c65c1b9591f164c05c4b63abcaa41a51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}