{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfd9868ef0a4d98d9d87230c7a53555ff5393d6ac06c984897ab45c0995818ad2",
    "signature": "0xb1fa03db64c456aa3d4e2dfaf051f9cf86f0b3413d098df207dc0e2307c1c3fd6cb1640b3eb7cd0176af56891b31fd85ff26e72ca57c4461d7925e735addd2af1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}