{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56010",
    "entityType": "User",
    "nonce": "0xe13d477ad0968a8cb54c2693eec1e01f9716cfe089fa58f912d5de44957d2b91",
    "signature": "0x5d140d9272f26e44fd60a99e6f2735d38c8075b7b11814360cdfbc48dc2a3f3964929cb8c34214463889329fd84ecb66b51a9dcc7f527dab5e6a7e638211279d1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}