{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225974748",
    "entityType": "User",
    "nonce": "0x1df04f5a846ee85ccade46762213a2e7237d231973a897742b41a6b9e56ee8a6",
    "signature": "0x750116b8806772e59e9f3f8b1c9a1adc00366ca3b8d771b50b231ee5aff96c2d4dc3fa1c640fbe336bfd4e357525a2418867de2d8c7ebcdcce7c2bfcd94add491b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}