{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3c271d52a93627a6995ed159e876313ee23cfa50fdf4101c74e568ca378d1f66",
    "signature": "0x17a1bc57149622ffe903e4d5f3d5608d64c1114ba3dd32dc13d54c79e4558b570eaff942f9282230e50af14d3bdaf91ec4e538927743dff56d36d4864cefbf641b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}