{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67243",
    "entityType": "User",
    "nonce": "0x8d6597b61fc4c06ad806c6dcd16b74c346972e6edb33ac8c185d5b29a81161a6",
    "signature": "0x5414ef6cbdb3683aa3d0e63b875e8af38dd5705a8e234797965f61bd0882ff014b5a1f2b119a2814c89731565deef3e0a7ad83366ee2a1d5db36ed98b55cd8e11b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}