{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332",
    "entityType": "User",
    "nonce": "0xd9e510fa900f42164aa64508426f4117038fa4d1ce283955b9e1d48a53991e04",
    "signature": "0x6b686a088cc44c1f499002fe037ee8e9fafb9ea09de9fec23f2ed11989221acb50ec56f17773c08a644f78c857224621e9ad1b7163218c33d95dd5f96a4891731b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}