{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x2280223b6349d68db6e2fcc079d9cfa061b38825d775a4c4d4581afd4047001c",
    "signature": "0xb47a2802a62185289b299192792f50af18602c1765a15706b57b91393e75f6f41db0c227665c5c7b2293d1b9c6441058a4776ad6e297d2396bc1ef2f061c29481c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}