{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564574652",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd683af5f91cacf5bfaaee4bf409880de96dd7f83d89821e7955abc51da49031b",
    "signature": "0xc0cda4385d1aea5a0ad19f68928fa1ad7cdfc1ec0a44d7f4b4c9bf2549f077e4217e41286de6a05295ab9543abf157bf9b701572e283c50446828e8f61f801001c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}