{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863582",
    "entityType": "User",
    "nonce": "0x08f09cefdf1d371d6feb5dace6e8b627722c9cd708f37afec684bf6aedbea256",
    "signature": "0xe4f821d9c68c1de0c68fcd5c15324f55bf1afd68da7461fa24905be1335acd0803f611eb89188d11d089d4c4b2711f0827e2ed5c4119b808eb9e32c8c312c6561c",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}