{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55067",
    "entityType": "User",
    "nonce": "0xe84b54c8289445bd60ed2df1819d4d6a24b581f1d31254a90f80fbc2e546a4d1",
    "signature": "0xe250e3da15ad85d8b6c9d4b45e6dfb8ada0a71ca1a6302f0ac151150039d7b524c7d26d0d32939dc34bae32d08a3fb9831b6b3b5a397713f14c681f083aeaf541b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}