{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664718",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5d5decf364ea44c3e165064a9536cefd68d49ba6d53249e449a28d282cdfb2f3",
    "signature": "0x70ca8891ea49f06704d3a8509f4d0387a7f639c036d5b0d77aaac30bab55cbda0b951bcff6e7fa0fa23f94783effacbb4b5f18e85c7393d79029ce371add88bb1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}