{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644475873",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac83e11c8a34e400ee8ddd72628fe88c7658a8c69055760ed4c48bd282821bd1",
    "signature": "0xa489ce06067468e872b7d20a4e0af2c34b4a00c6fd14c005c0b06573c908641031d5c33b77694b01026834b3d0f24e67826ced4e39dfe11558fbcd9441c14cde1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}