{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513559413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7743e9aa8424608a613b2bc47b77b364f2f708a5d3ee3b8b53c493bc420c4e03",
    "signature": "0xd55a0b96d3a34c913d6830ba4ce4ea8910f55549bfd6ca7ba638eb2dceaf18e220d5368486621037e48d7f21013b5080e517a05f54fe7a17548df438273765f21c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}