{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x43a561bafd78f6cda7bbcf32515ae217ab8e82bff870160eaaaefe75237c6719",
    "signature": "0xb12653b407f37c944d8c3c48ea9058a9018f34199537db55085cfb6b420c90922bc467d5c917ef9398d0ae9a55d81174f8790955057717c5c3a5da3c0585c55a1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}