{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x198d8c53d17292feeab0906598002e8de09ba078787310f32618201a9f8fd8ec",
    "signature": "0xc716786a05e1f73c879eaec4eb7a17182aecef44f7d6ce123b51b94bd8ed23d6171c9bcac2ef80fcadfaff20dca76593617f947418eed2da791711a37736e62a1c",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}