{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111814",
    "entityType": "User",
    "nonce": "0x67132c3da257a22015a2efac567cdcf3b3bf2eca84e60743c1426880d35c2b3c",
    "signature": "0xc3e4682b8fbdc410615c565e93800300e4620820036b910794c4edf65be0186b4a045087bc543c3846bf652b5632a43b4d6c0c2123b99ac5ab33c5419b99972a1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}