{
  "manageEntity": {
    "action": "Repost",
    "entityId": "512444726",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc66af0ac14ce762617134885a6f099deaa46dba99b00376ff92218a06b7e5891",
    "signature": "0xb71f1a96a59742a0f460980126b19d7c0d2c0397045024a8ecdb5e7cc9c99c37034bb979bfdc0bab64a7c926b11e5559fd101d865434eba8482f8e928058c2f31b",
    "signer": "0xEbf223E3bfE29c251Ee19f0d3515DDDA00B0Ad60",
    "userId": "2018345"
  }
}