{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "350656",
    "entityType": "User",
    "nonce": "0x811162f1532766a5973e717477bd908156b197ac182d7bf1affa55359d3cdb79",
    "signature": "0x801080506350d0f046b1062f939b0e017a45429b8ae9ff44ff3eff50263b3f360dc846e59a438dc50d8398caea4fab49c6cc9e67edc5707f32eb3bda5df3ae5a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}