{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480187765",
    "entityType": "User",
    "nonce": "0x5fe197eaccdf25f6ef5fa237755eb5dcc81b264f28ba3bca8f8cdbf0f20a1151",
    "signature": "0x27cd6241908e9043ae5ada83728e23bbef65d6cb0fcacefa1202350291af53864cd575f813354c4ae97caa2148a7f97842ca0aac60cf912f1de8fb1af7fa5a7e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}