{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88050",
    "entityType": "User",
    "nonce": "0x9ad2cf4db22cc723d8c2162ff5d7773d11e781ab82cdf9e2efda959794eaf39f",
    "signature": "0xb909dffedd3def6992ffcb9232e093fb7c04800c3595c09822fec19971870f5936d39d5161ac07ccde61689cac5166bf1ae49a5ce6cfb4d746268702e4269df71b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}