{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x1fdc5b45c5a5929d4ff49771e03230ae762090a80078376288e808052040acab",
    "signature": "0xe614c6007719172b5270b1d6820deea3c9367a81504f9c9277b85f719118bd2f581c58d4b12368c45b62fdfc8908393e06cd1d84e858ce51d3805be78f6178961c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}