{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x17fcf72f999523bbd6b2ecbd4273d4a03ed2cbdd4ade94d47eeb160d22f98929",
    "signature": "0xca29ad2cce82ea7fd481d40cf5edc713cb1a3b0143553f5d336c7829ffa2f3ef1c9f3368da95d87e4544510921e5293dc6c6cd0bf3ad4a5621dd71e38a4f498f1c",
    "signer": "0xEF645db3505402bb23edEfe2C059199A7782Ba9D",
    "userId": "392916852"
  }
}