{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1555031799",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaf1bda455751ac971cd6bcf3467ea9eb28d962138ed75b7446c558c452a3725f",
    "signature": "0x4b944c3ca3e5ed607aac145a55988946fa867be224503e8bbb17e2ffa5047bed51f0ca6d3ad2df19a357df6eb315552cd55ae84e45b50c6450da7173c96a4ece1b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}