{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "775239",
    "entityType": "User",
    "nonce": "0x61cdf1f7b4a6118049477ff1d3a6937842191b0f52414506152502c97c096f45",
    "signature": "0x92ccda4dc252c9c43aa4a1277d14c99c26e53b836e937135d062a73c228dbf2b767eaa464a96de1fcb75e79f9f8e5384405707cbe53b6eafe845bdf9a552a06e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}