{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544578",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5f13e1671382dba7025c81f1c78154557cd4f61b9dbb5abdbc4820bfcde20da9",
    "signature": "0x7e71e06fac319bbd533f8f3f35d080f7dd78e83940a1db107216efe1bcdd3fdb79db813e59e5eae7b1e4e63c187f51539e85c0abe37f89a13dc1e964f0aaff7e1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}