{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69762",
    "entityType": "User",
    "nonce": "0x0a8d97e36730cd37803adeebcdd798d10c00673552a87efcc8aefecd0bc6a816",
    "signature": "0x01cd0561b8b1e454c5fd0a3bdc0bdb96b4a57b40d9a40d84789c190b7cf9414174336a3362233d775d1e7d240c5fdde1fd0bbe91febd064aa7a79480574ad76a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}