{
  "manageEntity": {
    "action": "Repost",
    "entityId": "405233671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x857b8d3ee01d13a14edb1b506e04610ab153bbf255a2b0c1318cb9cf8fb1686d",
    "signature": "0xe495251188299f2d82d7f9fdcdefa5a21663faede9a589082f520866e9378f9c0a4d14aa54a5970a7ee75011b8e8ef8765e18904a2d4bf52d843c93bbd746b941b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}