{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52214",
    "entityType": "User",
    "nonce": "0x04f42aab169495de6e0a9c38c554b37a499f03694b9692deaf45db0be67856fa",
    "signature": "0xdda58b8eb6592995aee930c2b2d23f8f2d091e0e55d5fd55813aa837340cd63973b53889b20b8af63132bd98d2d18109ff8d903bd8dc180560beb3c71cc126e31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}