{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574956612",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2e9d49a6781f9b2966e6234ada585e40ca2322f8622ad7754743d58d0d3ad255",
    "signature": "0x43c88d1bfbde07c3998780ef1d0497578b3a38c271ca2ad0925e451d62d3e89613bffc07275b4d4e5e23ddbae1b7d3ffaf5841d2add368dc403f381087c6f6821c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}