{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499585354",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55f34486f7a6f072da2f14bf66dffb3273679834838024c146bd5c6fb747e4d2",
    "signature": "0x469be1a6aa26858802bcaf382d626c650640684ef91547c7a677e68c7b4e6552500faf3141756bfe6675e64465e0b38ab60538dcaa4ec39c3df3ef9f1c52f0611b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}