{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202735",
    "entityType": "User",
    "nonce": "0x319f577518428a36448bf3074edb648f309abe1c00a2d85fab0f9509bb02c35b",
    "signature": "0x4decc24dc5f1feb143655978f67617d435e0bfdf2199a0d70a15add19cc9d5bd089cf58b495945105c33df35386ca1084f3385b6e1533367581ec56b0da6f69f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}