{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12634",
    "entityType": "User",
    "nonce": "0xcab6b0059cc6362123f0ab5c52a8f7c822e4730de7d3c38801fcfc916f46af3e",
    "signature": "0xe586d1d2c6ce1cf92953fe4af72e599ff0bed06c69549af967310b89bc2818a10f241f7fe438298958680548816536241c01d50a2db81d5637bcaaa95ed90cd81b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}