{
  "manageEntity": {
    "action": "Repost",
    "entityId": "419925423",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa8a1fa5e2c6f6287c64a5c3c8ee1f238b4a118f86690fa68c9b14d04dc5ddfbe",
    "signature": "0xa4ad1eee43540399947fbc6190a98700c5c31741370fe38328ead088d846117f78df11eb3b68d451930791839f78f965bfc4875698c497be65bf15ebfb80245f1c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}