{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199293110",
    "entityType": "User",
    "nonce": "0xaeedd7ebd80663da3f3537a80fe6f0600f6957159b228d6a84288b447c338dfe",
    "signature": "0x63328a77fea2a8ee25f1b7321a47c5f57c62521acfdffc7b15703b55e5cd0dbe0b561415245750a7a87b7cee2622637c81485abff64aec58bf3efda85ec3a33a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}