{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188220",
    "entityType": "User",
    "nonce": "0x6839d69a1d303c25813bb9a2501793bbe11d67ace81cf72fff8a844c3ac2d13e",
    "signature": "0xfedf80dfe9e36c38ba3408d3286c7f0e7bb83790108675c021ba59875b7282cf218ae03313ff73c89a4148a79fc39ec15a6fe9fd918337c840fe615bdb78d22b1c",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}