{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58280",
    "entityType": "User",
    "nonce": "0x7eead5d78bb059c5330b8355dddd4cf9ed1c5e0643000e3be85aec61383b790d",
    "signature": "0xfd39a0ce52c496236d60033950c4b61dca670fea2b2e0e7dbfbc5a7663abfc3363f0d4021712ffbaacaf8f3e784511512da113f428b8300b6389759461c86f141c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}