{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x97e86a0779b398b7e80e0a92eb977c6c801a2bb8bbc0f8b94ffeb4442d9ba9e8",
    "signature": "0xf66b25fb87a4cdf59f0adcd0660eed5a48e58e02b9c5878a51ca70a4432652ef228a81b9b09101c91e1056f98f097a7921a7b136b667f585d66523047ed06bb41b",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}