{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639855980",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x387709a33d6492c4705a5755873dd299b12798cf75a14dd6a4dc187b724b0c5f",
    "signature": "0x20622decf008a81460c5ee6e40ce749295e044ce03eec77e9890695e3e48c7041f37d2e8181b872ad0f177f3697a9697fca501445b2bc855d91b9f031967c8261c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}