{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x228a6496b9ef4512e5ecb8c5db02a44e2869104835fe0744245c60a5298bcd32",
    "signature": "0xb31f0c766ac27f80d64f9329cde45bb28b2ce4fee64a1d27b0d5acef14a0e0df4e8c1daa590bd9834eabe4bd4ae782ce58910499d8286eb86e5bb328ce4cfcef1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}