{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77417",
    "entityType": "User",
    "nonce": "0x76f6223c0d88c72702f143174b756bf72d54f3e43f6f817d1086d1879103622c",
    "signature": "0x5a1cab8df2aef315bb051a4fb3131f0299fc59ab81440ca91a8d8bc4a0530ec601c2b61f1c7e33248e26c635abe374fd118794d75d8678f4a596475f6bb8f1171c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}