{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193889654",
    "entityType": "User",
    "nonce": "0xdd2a30032a039e78d6d1e40f5416e1c04cd17580093c3afc80295376c837c894",
    "signature": "0xfc6edcaf541e2d18f4f1cb99e81b7581ca427d22e390e3e6a92558c9e673962b277100702de8994d65791ca2dc82bd58d218d48a716d74cea199c184b7cd149a1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}