{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x41b7d6b190da85d00fc96b0fb07aa0cb26e35e6d6af666b702881d834026a718",
    "signature": "0x41c8642945455227ae9cb747c78be0e7090b6e3ba9c0709d5e0169968db0ef170b08409e1bb6dfa2f55a35f43128edcad93dd60238b7a06d336e0e218dd1158e1c",
    "signer": "0x97Ce19D122F5b51231cF4DBbd25Ac36CBDd6CACa",
    "userId": "426864186"
  }
}