{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe10e47a5accc4a61730d120056ea1e5de74d520d197040068cee0e9eee230ace",
    "signature": "0xa16df910bd0257dce7c33471bfcf11c005fd106be38b0fed6f687490a676abc53364b12ab3bbaa206f21880780a3a7b1464c1ecd6f0e61cc25fc9badd41ed4391b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}