{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187886",
    "entityType": "User",
    "nonce": "0x5b7f4e8c2192148cf9e2dbf5cfff7c93de9958bd174d41bada2bb6e6df65787a",
    "signature": "0xd614e54e65418a3cd68cb8ee678d2e1a258d37f5302b5df7b91a33627e5f1034440991a1556b7ff06cbc3230d2f6d545f60954e8a27c5164f635f7bd9544551f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}