{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42634173",
    "entityType": "User",
    "nonce": "0x914da463fec0f314e49b7da2c24679b1a9fed99424e9fb6f3c1249f3ebaade93",
    "signature": "0x8fb522bc1c734d48c4b9682eaccf94467ad2f0e2927caf272618a73987be85b97d9911cf770dad34e6824be0f6228c7b4695499317ba8d9124a82927da13d21f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}