{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xba49030235ee70311425f7529fb512c3b3a2d6f5adffe357a14ff4c74e0c8a92",
    "signature": "0xa66cf389c51fc8c9c6b5f12705938dafcd0093418478cab538eb344379c11b334ba2a9cffefbf32337cec5b3aa54fb64e27f3d831a47e91cb335342bf88e6a471b",
    "signer": "0xF116a8635024B33644DF0CC03eE326bAE67773b3",
    "userId": "569557247"
  }
}