{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0d6281d353985be395af4b0cd1632fd50172bc217a782a330ca3c542488a3563",
    "signature": "0x04a1a2d27d9206322807e5d45f827546f0f768aeb27c6ce107ca3d1988fb57be6ea27153d876b66616f7d26a2a8f2bb6a7a40bc8cab2d06a8d122de7444392cc1b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}