{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118447",
    "entityType": "User",
    "nonce": "0x19c0c3e7830350275c959b9d202bb3f901e8cf50e5da6453e804fa8ab6d82904",
    "signature": "0xd45371bcc436da358e0e3043edc5031c100bb92e8d9e1d32f2e82e07f6ebbc02702a518d9f615a2ba9c0d905d07cfe72ea9e9ab28153c1b74d467804299ef1091c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}