{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57368",
    "entityType": "User",
    "nonce": "0xf3335bc02fb9a787e262dcc4b5f48fc2c1f91e1625abcbcefa5f2466958c4b54",
    "signature": "0x00b9d5a1893c22eed1472af3f4af676e49da249cb84eb87303851cdbf560bd7f1235353a3b362f29240f92a9016098613d4f3296bbdbee2621d8ff96093323871c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}