{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65120",
    "entityType": "User",
    "nonce": "0xdf6e63c3d740a1b00ac7675380d5236c3087e267b33bd658aa77c6bd9dc154f6",
    "signature": "0xafe0b7be5152b932249764e33df6d92fdcd8747c2d6ac063e48c51188ecd9225681305f10ab2f020bcd0c91777a2e775820991b8ba10f3140f3ed8f6e52d8df11b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}