{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114919",
    "entityType": "User",
    "nonce": "0xb1e1e36bd7a0d5afda90abb711c119860f19d77f9af99130ab20508c666a2272",
    "signature": "0xfce9f799119391e20a95b687dbdaa965efa542eecadc39ba652409c7db3e85e75bfab02409c8c5473b5e4fdc0d03c2659fb78e49bc19f6796743785f3024738b1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}