{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11549",
    "entityType": "User",
    "nonce": "0x39877e8360070f4cb2f6d440db9060a362dbdaa662600add96860226b38ac858",
    "signature": "0x441f5a15b2bcecd9c295e38b4a1f689a072351639d9c45344a15ba3ce9091a20107d2d90497c751c4912e2cd1faa11e12ffdbc27dfc97d0ac3bbaed3b1bf986d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}