{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x7dcfd4adeac9474441d64650ae300c17c647f196e60c50533d9523755736f573",
    "signature": "0x3d1f623f60c81c8d510747325aa3b232d363cfe3de1c9d25ec1bfa0af7084a2d4370ee0109c219af250a9dabf3940663b152df7cbf8d608252c8766fefd6e67e1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}