{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121325",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xec12c74b2754311ba6bc29aabc24a6da500f2b4f6a0e4751d11db92c60dbe3c8",
    "signature": "0x9ebcf7b8ffb5511c6c9b17db011b35955cb28d9d38c1bf6f272a7803efd0082045103ef5d9c2f4db466c0b12a9485e80d6efd40e9a43a1813f9b08220648b4011c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}