{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499127871",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe550f7316e036e26678bd8a3cc21ca71520b84f84485f331fcdf7608aa3893d4",
    "signature": "0x2248f6e8ae1f9085468a49d301c605484607abb589fb26fda92030e0462f07ec7c70c415855e6c4060b4b0418bc0535d7ac981812402177a8a12f2101eea6d901c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}