{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0xa934bfce47f26d00dc9d70e44fa23d5b9a78a6b516f2f6a04dcff553a8fa455c",
    "signature": "0xd5058d182d466e4f455ddcc505de79b50675965092d92d2a051d9ea39d29b39328dbc0ad22945bfb811e352e0a88c8f1a0d0fb165d7ea39e39e62d54cbb6cd091c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}