{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27766",
    "entityType": "User",
    "nonce": "0x2993491b3077c2d78aa62d92e84a80601724828adc617e3a6c368578fe4014a6",
    "signature": "0x21f32178a231b8afc193eda4ff387e9e2099784c27bf9ca6dae4bf28243ffaeb7b5faf89e542628854f14a87f227d17eebe8f8a19a213616a93e0b8133c8b6b51b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}