{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377392",
    "entityType": "User",
    "nonce": "0x36271d9aeae320455284217941fb677af1f78d827e6e6550e6fca380a0e78ed5",
    "signature": "0xd2be7cc9d4047abb7ec227872d23bd06d95550ff3ad9b2bd98d77b632e4eba827f1625dd9092d74e426a1157a282e90544149cde43371c963a04cf9d09af83321c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}