{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "376286",
    "entityType": "User",
    "nonce": "0xffb627754b92ab571c3ebee2e9df13c13c415a3551d49ddbcf4bbe6a722c2eeb",
    "signature": "0xf5ea6bb74414d392e9a91bf6382b0e6c14b2e8c7c1b80a2b04bdff9b11bbefe263d0a26bdce5b1e0e420c3db9aeb848d933d9a74ee7127973586cf74e9d7325f1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}