{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81357",
    "entityType": "User",
    "nonce": "0x772d89e150465ab7c10dc452779beac4ea31c72bdc88470fe44b034541f13500",
    "signature": "0x372a66dcf158c75015ac3057e6893e00396d13966843db564d438c390530d41460f3a7c03e39f0f413e725481c481bdbcd53aeaf183c40301cf9b95cbfcefe571b",
    "signer": "0xBe0B2B2beC4B0A46ff11169512DF7f66E775c0B3",
    "userId": "196632465"
  }
}