{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553249",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b4a6ff0081aaadc4c0d001a2b159c6e26c4207b0ae26814d263ea3bdc9b0cf5",
    "signature": "0x10846f69935f79136d6b8d5979fd00bcce1d719686f6b93950be5875cfea05c7458a1df9448efe1fa70b17bc2edbb3144b5bf00c730fae6ad704379a51daf9cc1c",
    "signer": "0x722b43224Dbc7d6931b3C690696EF03933374bff",
    "userId": "772126389"
  }
}