{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276517",
    "entityType": "User",
    "nonce": "0x9742bc6d57429601866c5e33c5eeac4b848a0c6e3f454afc6448582f2548956b",
    "signature": "0x82c88c29be2bc20a752870809ea1637468285408272b000ce302667d200a1c82109025fb1a661d12f7fa84c6560caa3c8b710a543025ddde149989d4ac39dae61b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}