{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193889654",
    "entityType": "User",
    "nonce": "0x76cd8620950064105abbe86fc5b1d27c39c601376a0af00964deb2c2418d39b2",
    "signature": "0x496e95c0197cd222c1bbb246542d88f629d5740824a17a29f29adea76eb3eee476e79fa5e63ab82ce8259786903d78d7433246343cd89880c33b88d988f1b66b1b",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}