{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62942053",
    "entityType": "User",
    "nonce": "0xde270fb4d6f7f45c71bf790441e2ad818dfabe26440a2bf1e815c9de80c83e05",
    "signature": "0x30e71d972a982ec425dfc7996e5328d6d40141f41874d7a91f8a55460893a1ed69acdae9efa58f0ff49213aee9b64c646413f5819acd99f7001364258b1b02971c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}