{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xf7f302d5b6ead93721f50bcd595c0b107af5d089abecfd04cef0ea42d1b719f4",
    "signature": "0x5ed0542ae59d0cf9da81996dc0712d21bf2da85735302cd77d2a258d9d20add22e1689742d276e4c9811b777e479165720134bae0d81a82d03bed88b31248db41c",
    "signer": "0x175A3bebFa14E64C549CAc2962191B2B8C788421",
    "userId": "6270901"
  }
}