{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640073332",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd47d0ca7b4e328d004a8dc917188da41ca4649d7aba0437c133fe5ccd53b514a",
    "signature": "0x20792f702141f45cc1b76016029e2119f971ff5c864765fae6dfd4622184facb09cf64e7005103303165fd1d2c44073fb1c3a39f11da008a171e632e3aecbc081c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}