{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1388967441",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2149eed46bcba36cf8ab7075b239cd00e5c2ca567129c27a93923524a2b2f484",
    "signature": "0xf5e971b7d901bf960fe23385858a639d4fb58d8d4cdc3f5bdf9ae06f738f480f50d2bec884ecd289e6644178d469e3bfe14d95ec9963fe12b340e771c9189a4a1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}