{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157585",
    "entityType": "User",
    "nonce": "0xd62a3078c37ab7b6a4bd52bc9d6bc02261340bbd33f6a3ef1e7408642d1ea224",
    "signature": "0xa941748ce2d6582ba37852166822f385e8ced5a04d465035e9f432c5b16b13225363b9c65166798fabb4ab19bb5cae3d4bd96c0f23d374312b141e73193c41581c",
    "signer": "0x2d4E313C5C5BBeCd31f664627b0a91361e5D04D1",
    "userId": "106406"
  }
}