{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x347f6d79314f3ead0f976f59eb7865049204fe8e45bbda2e85fb69247c81defb",
    "signature": "0x5e82795cb8739d6bf17dc4a6ab42f459da4a5500c4e92f57fc1296ef202a833c172c354b9c00dbd06e7f69a5e9e1a206e418915e8b3fe81194beeec1fae3960f1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}