{
  "manageEntity": {
    "action": "Repost",
    "entityId": "777483857",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2f1ca829c28b4193776870eacb5ad659c9576916739c8b9dc1bccf5ba68f520e",
    "signature": "0x03bb5922eb17c522a0a78d0d20735e9f955c75ab234459b59297b322490bd9c27ccead9e4f78f72a857d0884eac67c3019274b8b4de328f6eef5c78c10b884a21c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}