{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399098098",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x392aaafbfbca61f1411df5c220bbfeddae8f9f3b5d9ecca11fcd985cbf2e01c9",
    "signature": "0x4bac118e9a709e5d797f4d6325eb151c1d6af02c1b0df36a356c758f256129d62f172af8201eb7f5ae3b1f9ef0fc2f6052f457eb8e5960019bbcbadb63584cbd1c",
    "signer": "0xab28764Bd1224556ebA1d8Bc48d3f1F5D2e4E1dD",
    "userId": "281054123"
  }
}