{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232868",
    "entityType": "User",
    "nonce": "0x37c0bc32541ac3afda1ea6b3568a8b731a3288539fcaef44e4e6a44ecd0a90ed",
    "signature": "0xfc9a5149e9fb5d41838f38bef686910d1089667e3f3f0297d4f6a4c4548b16d1184e48c02ab921d9ff64cb799bcbb24e2ffad04371e1aa078f985633c07e91081b",
    "signer": "0xe16d05DaA46AEa6cDfeBc42e4622D31B960B1d96",
    "userId": "221875563"
  }
}