{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xaf3533dba780ce96a2f15af6fef843e919cf9862d7abea5762edcf5b7521093d",
    "signature": "0x18d7d5198475e42b24bce1fc36f68040a8efaca5fd61685d56a95853c9e8ff9178d1a55ad0860cfbdadd42c86b7351c17ed95a7a12af9a9aa95b434269fd2eb71b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}