{
  "manageEntity": {
    "action": "Repost",
    "entityId": "337721625",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a80ae542bdedbc7216e4a4a640c19ee13b707f73a3d4ddde9592ad0845d44e0",
    "signature": "0x1c8f791b96ed75b565051f88654ea76fa68ee76a08a83c90cf376223f2b0691e3d20258c29740fb36849a41987a87cfc100f923ea83672e5b80f35dcf2c3bccd1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}