{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x94048b78cecb3478bb7bd72ab548628ca899e89fdc03bf244b4d22e30ca2837f",
    "signature": "0xfc812cdfafc51abb3102c7e0c00e36c2fb844ba1b9c3df5c4f4f28af2b472ce50199830eea837cf2cea7d77e294a5d714385bd7dd8734726d14e78db8b92a8df1c",
    "signer": "0xc75b2F94526730197DdFe44FADaEd9AbA490032A",
    "userId": "229850481"
  }
}