{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193670137",
    "entityType": "User",
    "nonce": "0xc08236f62634c4afc5e69add765636f9c81930b37cad8dea9138e4a806302b40",
    "signature": "0x69f36b1f25b52716574cb3023e96d321c0db3afcca7315739af60ff029bf34526c0dca8b9795dba4ae400931e18eade7e0ea0f55be901353241ee56695dc2e021c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "390992303"
  }
}