{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x20c5b14e4c63163590d2b6ab15efcfc73c87b522287597d9e17fe2cf279fe1f1",
    "signature": "0xa90bfca12bd7a076888aa32b8ba779931eecbcfb967032a505af2f322e0e6bc81c5340b0dcb8d31c83b9f9645ffe61da29915f0818200b42d4f968dfa1f4129f1b",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}