{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10679",
    "entityType": "User",
    "nonce": "0xb080f92d13513831348218da3d4a11c9b9e640b771d2000a919ecaac9b9f6ffb",
    "signature": "0xe66a05553803861f0c8a67da7604aa8f2bf5ab9d0126b74f71dd08420ca0dfa32ecb4cc846a6a3bf2462f876c794ce2e3df0b14e7861b6829dc8f9bfed9874ab1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}