{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12644",
    "entityType": "User",
    "nonce": "0x4e6337f97bc110c00844e605460388618168a2599036b710307a9dbf3177c1e2",
    "signature": "0xda7dc344c6574cea11a092ee21e178348d8735c226aaa2305d40961b7cb35b48719459e7d2318d297f56103b31ce8c4170f4c9150244e76c042d95c756175eb01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}