{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123836",
    "entityType": "User",
    "nonce": "0x8252e8a3715c2f494a077e72fe25a6bca8fc019a639ca1d7fbffd6f170e1cfd5",
    "signature": "0xa972e523e0392f06051a758f56103fc1ca38f887e3c56957c470b538104e9b624d931f1bcda88e7116440c4e47609653de6f719da9f73cde3bab434f32f876411c",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}