{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111374",
    "entityType": "User",
    "nonce": "0xad43d6c7d87847c0d71a3ee077ab182cf2b253ced1a386c98bfb51cfac8469c3",
    "signature": "0x8269d2994839d68abe4a2d23144e666c2768adc3bdbdb02ce3b2b10dcc3b1e447617eb4c86029cb80765d80c3fb70e0f6dfc45ac33e15898b03fc541b62194791b",
    "signer": "0xFfAc133950848F6349D296ab37c8750317D117a8",
    "userId": "807522243"
  }
}