{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56534466",
    "entityType": "User",
    "nonce": "0xa6cbd40cc0c921b69a1096d50d005d8fa1ff594a31face55c18528474b97669d",
    "signature": "0x4725858cfb4dfbac607f92bcb197aacd874a59c15da1eda6db591949684894651b19df38e048ea6c59e8c77605c9727c1d383bb907b0c2f14d3e40e301316e051c",
    "signer": "0x2111090d8E8b317423779F39Db57A1F458266044",
    "userId": "154027249"
  }
}