{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x281f3ff0fd4540fa52836f804e7438b61847ee37f628a2d5cc4c6cb7e99e7b83",
    "signature": "0xbee22cffdbc36db010c2326168f86316332730272f69d1e7f305f4a69ece612e4b55652217b1329dc4fc75b21b2964f62b321fc8ab908867e1704a04260a57951b",
    "signer": "0x6aa3E2bE2AB45Fc2Ad5686BceE8143d03636F391",
    "userId": "89723135"
  }
}