{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xddd287736f750915077d595c7b1228de08eb0b8369c3623e88074eaa1d7e8f83",
    "signature": "0x13ee95dc8a8a7dbf4655ebbefabf5a0b077d275bd7e50e1b7c3ff8a16cff0e2b5b863872b6618163d18b73ff929ba12c428461612c561f6f0f754882aa262a561b",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}