{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189460",
    "entityType": "User",
    "nonce": "0x389433972eb299ff668606474ba2d0339aab06831a4ee1dba9f3df5b52d6105f",
    "signature": "0x2853eb32143702d9f2c8699a7f6f7a84c252ce5afb66edfe3c2cddc15e4470f22a5b59896ee2b88d29bf0217770a6ed218262192d10f0f4ab797b0c46a66d38e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}