{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556389281",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xffbc634edd8daaa31d37c7e7c5c8ae3fb92bf14257abccaa8ef8ebc4e1b920a1",
    "signature": "0xa7e24656c0c09f251f1e46ee10ece8436353b3942ca8d8d61a9bf7975705e6867705f8543188d0f17fe2642a6b55788df6a0be9b57a3280482da0e1b5d54ad091c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}