{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "452274",
    "entityType": "User",
    "nonce": "0x0d39bf9f6edb5c595b393beb4fce300bc184788a5adca338f3076e2cf1492ee9",
    "signature": "0xaa5001ff78c778a172477166fee80b2f16c78cffd285af31da0ddaa454c523ac751577fd5e42a3e77e4df96b3246da815b0ca9d627c45405c092011ef4e4c8861b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}