{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5698",
    "entityType": "User",
    "nonce": "0xbef1956c59f323295373459c6c5ec6d51e62ad6489ee14c93332f07f3b265da0",
    "signature": "0x1e5c432cae0e91235877f95ac0747aa5cc0f518c6b5a0c648bde08c7c3367d2860c26bba0341dce54ecac92fbd44f3b4f7d1fb4dd212ad3a0977f04dc3ab8aeb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}