{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544319",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x962ed8da71f4d5a2a2bb6773e25087caaf297b37bb54bc899230b705eb0e60f9",
    "signature": "0x4a0198470da6eafdda321d87e1d5a5633616ee1a12a90f20c6074d276fa98e271566a7dbbf8b64bbd68fe8d0940df067d65f4eaf59936bc17816c879cb656d181b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}