{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x312874659145745dadba98ffd9fb55478d7daac69b959d938981109c210ca897",
    "signature": "0xf138aa883bf18929e2af6f11123f327da4637a566822e69843a40515b7cff51a14747e463e223384ff294fde13c95dc720106f36ba20c49f1408c3c83741de7d1b",
    "signer": "0xefB2D83c687aE2370797bAD8E40F1631b820438D",
    "userId": "92336974"
  }
}