{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x101f25f2fce168535861990b3ce46f68324ea95fb38eb793e39090eb448613d8",
    "signature": "0xbc61f9ac2e4821cf9b53ee3a4675243a2efbfc741d6524735d4999f92539dbc76642dcb5acb35cddec7978f9b9287c8cd8a4b065d59805c2deda421dc330945b1c",
    "signer": "0x6164d22C5753c6E9f1ec157dDef5A3C606E2f10D",
    "userId": "534038283"
  }
}