{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb1e40ceb8a5708d66146d7961bc3df1a3c6bd91b35a3502fd4b758831085da0",
    "signature": "0xb4afde6339000215fea4968656d73248c08a0e101c80a6092d40cf8e970db4b7584f6514a063331204e108d6f7cdf27bdda455af8becc96aae6cfcfecdce25f51c",
    "signer": "0xDBCB92214B752B4edaE48663D7DBac7008718aBd",
    "userId": "424036853"
  }
}