{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x2665dbca370b01456acdfa788d01c615336ca1bb1cf66bda66571530057b94ee",
    "signature": "0xc6e06a8d083d4710b6cb7148f7b7a4b8cfd541f5e5c1cb1a180cf0581beccc450ce460384a3e11b59af65244880dc76f018c252371d3f05048245645319c794e1c",
    "signer": "0x26363DA4669439783EfEfa3176EE2Fb895445d78",
    "userId": "824146899"
  }
}