{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x7ef63c76f59a7bbaab1c4d1d0f249aab5edd021dc3c007cd187c4dfd77105013",
    "signature": "0x6bbb046fa11bb7c4bfe9c287ab4feae4f34d1ec0ee1e33cbc603f2cda52f426643fc0864f86620b950067dcb6b11bb8fbdac7a85c31f86b692b0f69a8e7265b41c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}