{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0x5adbdda4f976cd31960d4381ed692d78374091e1a20d77fe2752a1bfc1fda732",
    "signature": "0xd07b5f75ba5c473ad60112a5acd0396cfb4de8da06c599ed7105f3b0840a33bd2dad14e614312ff35dac9b833f2fe87a7da8716739a3da3f0fce987e6c40c9d91c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}