{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544487345",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x42b09fddd25ff726d21000550304e3f51033a22f5efd037f905c2d7605ccbfba",
    "signature": "0x61c5e5bbf9eafd5d9cbc68e7fe46a37c32b88409fb102bc451fb804ffa14ce2274b6a459996523306e1130b10a05111b7febe661a0d0c46fd6b31f67e41f9bb41c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}