{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1603684784",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6c7914919a78da62282441167fc3fb05eb6e222aac2c304eabd0fe70f4bc76c4",
    "signature": "0xed38d99035c8483a7c7790284d8681839220b4d7071d18d2da518acdf2e38c3e6d32b77a5b0aa2fb8864f04c1df38704d5e68a50588c5af5e128382811f394f91c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}