{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108733",
    "entityType": "User",
    "nonce": "0x8b89ebe480608575fbcf2edd83da578bae69c8ec67eed7304b94ff8c6de3e0a8",
    "signature": "0xe1230a3018d702f050b8e33961eb1df88d03f4e4608d4fd1e08eaf00fc651bc7571490a1639b1b3a23dfd2e74f0a54c65421dc45323ae58276cf792d8839a8cf1b",
    "signer": "0xDc9E6086716d1ed5Ccbb7144C00E93f86Cc9Fb26",
    "userId": "436039881"
  }
}