{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2887734dda1b605cca5568510bee2183085476041f0c509339496f8b50702317",
    "signature": "0xdf0070f8f59194c4f39796f713e60c9e3e667c564b77a2abd44fbd057bf90e9f60e5adef8bad8dacf1c39af73b2c8e923b89c43ec0d99c4e1e97e545b72dd1eb1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}