{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a8faaf8d6ee0b18c0dbcf110492dffaea4b2209ce2583cadbeaa42a2b1047f2",
    "signature": "0x1844e07f98435e250ff4e86f4b0f1b8d48128aa426207543a552a5c353d1841905d0647fc790bcddaf00e434a43156f573d497fc388f6827342e376bc49180091b",
    "signer": "0xe5bE3368ADfcd5D00019691932C527439655E6Bc",
    "userId": "506798707"
  }
}