{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121890440",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf75d0a531b0cd98ef0f7ad95b7b37d6610e337dc226a34417a5d28bd76f70add",
    "signature": "0x6b9f1e1515d273140b963cad9a6ee6afc81e81eecbbcde7ed35c623277b0c4f06a4446df2fc431d3ec89d42a8d61a2b8c96e90741c8c7c45349f6c5db79b6a531b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}