{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395323",
    "entityType": "User",
    "nonce": "0x057c8bcb651d4e34c37b3055d58ad8c01a79dc480d1df43d49107e820e6c1906",
    "signature": "0xec7677728792233dfd927b79ace96cb53d3eea55090f90cde1b7b54015c3a14a5c28157be3664df97d0d0f3932bd53e9b960760e428877e2503c32678eab29b11b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}