{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa154bbaa2819a171e23b06e7952402b03552afdf7d5b728438c6708ccad2479c",
    "signature": "0x92d2d07da96cb42aa4c5e5e75f2c1cda4347da5635cfdd19a339a48c6da60bbc49023474eb5632c93703f5aec6d250a1a08a8333e4ca78e4abc3171b302d34161b",
    "signer": "0x28286330e167ff43Af26834C24201cA136C5501a",
    "userId": "828122082"
  }
}