{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x171e5d4114f9c8fe0b417f9a57dcde2648b6c338ea96138e59752a44854055fb",
    "signature": "0x2ba02a884cfc4976bded7f11a24ed5db3e7589e0df97986830d5a8ba4a3d74e5718b190baddd3206c5c59d6e220d1c8d20d8d24fc4dd7f8867af19aabd0d908c1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}