{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc2ddc06194cb885fde2d57efc308130b4af0ab74b47159d473f5b2318d8bcad",
    "signature": "0x9afc98ef83b1b4bcac68eb22ad753f76e445e3673fc5178fc6c12102e9e9350a295e136bd5f1db51ab4a81e764ffaddf8c35f4775f754e2467a8c1660acad7701c",
    "signer": "0x6C36101264ae6eF051C15FE6aaee0C4205Ac6B3F",
    "userId": "329865620"
  }
}