{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28323665",
    "entityType": "User",
    "nonce": "0x19e85a8003d75eb25933b978ba1d4a9173a1555753b8695c91c86a9ded276155",
    "signature": "0x0160deec342f1629643e4d8cbc7a0a8e5705686d19cbedfd1783a07a453005e46a332f7310d8a6aeda8e6dac5b4ed8d97182d73faf2f5f757ffa2a8d662577071c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}