{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394061",
    "entityType": "User",
    "nonce": "0x1a4bd13ed60ed7b92660ef3ff0293a28d4ce889931f82b14c6da50bb9cbd18f4",
    "signature": "0x850a7b2cbd4b1b32b2429763fbafc5696760e5c51358f0fa26a1c278f87030cb637ed35fbaa7652cb7bf60e5f04843e12091433098aec88db139452f0fbc708e1b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}