{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357414",
    "entityType": "User",
    "nonce": "0x0d6874bf0e4493ea70936219b065e1f2d19e00cb5a8d4524c455e780872be9cd",
    "signature": "0xc90c412f4281a8de24e7b61aa6f9d25061b9c0129748f843037f68a2d1db78dc589a98e5c04e427bcc0f68aaa706d1f9556d2275a97b3926d023f32624fa772c1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}