{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458371370",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07f20d67fb90d312479a2a945895f65746b6e9544e9162c6ed7522388d9ee0eb",
    "signature": "0xc52ae6cf1c49ac83aab92b6fa79b26cf01f1846f745a3ab01cbaf130a79d718f14a1152242a27c95f6516b6644d0aaa6928fc295d9f032b73e96cfbc060c7e5c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}