{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17205",
    "entityType": "User",
    "nonce": "0xa5df0926a4cefbc18df83d081a8070b97a9698f79ac26c871f775fe2715be00a",
    "signature": "0x0c18bb7f8a46714a2c598594fc02ec6be1bfcb931057b21e626135206779532a4d11923116a51f1d652844c34190784a3fb7d679f9440ae514ccaddc205e9d581b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}