{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342118",
    "entityType": "User",
    "nonce": "0x8aa16181519c1aec8a039d409c3769220729c19e59644d4eb40489ff37258e89",
    "signature": "0x82969d8d7cd5903f3c12638275a71f1332bf982c2df510748d1bdf7d41064fca75caeb729e8c95cf973ae3c421a24edcf26d8c357d0ffcc934dec240bbf1deec1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}