{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258322634",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc736943aaa1b851a8aa3fe794d05998ec0e578f5aabcfa3cfe1cf5fc084ff6f",
    "signature": "0xf297c09743acf7a9f82493739abb57e5b92bf2811d95d70094d9f372eb67e0e80dd2ca2a2e7c618c1fe97e329a34ac02eddf0c053978bc3e8a82421b9f72f3241c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}