{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x12565095efe6a4b0df63c47c1a3ae4c3a997df2f11c60ac6b96b597b6c17e0cd",
    "signature": "0x785ab8f252ff91d20924580303a8e14a90d1e46ce3b31327a11998de58ccdd8b02fc14550312c6943ded02c138edc575aec6a35395d326bdc761412e3a7f44b51b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}