{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48341",
    "entityType": "User",
    "nonce": "0x5519dd09000454c7d14cfb2068c4490d1a10c14e5717ab0546b6ea82b641c7d5",
    "signature": "0xe26c74f757b51c346760b3e059ffc4ce620a7e48918491f969dd04f37733e22674dca097994127936b289122890725a737248d49bd5e89351bac7ddc264b85911c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}