{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121890440",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x44b628dedddb1f36c432cbf12b2a2dd29acdb1aa49e5c3f1faa402536fad3776",
    "signature": "0x182d5ef7288e88ce5a9e5e1f031b21aa9bc02a8b16b1e4defd8daa3db6c24f620697cb19f7e37c40a50eeff6fa799666bcac2a8885d1a36f4bd24d57b47cdb391b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}