{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959246781",
    "entityType": "User",
    "nonce": "0x813c0545bf969fb535c3c65fb4b502ecc7b6b7aac5ebd3e24022ee31607038d7",
    "signature": "0x984cbbb3b914606801dfe86b74dd69ba8152e214fad197dbed7c240a2b1386143afb2f9033645705968e5aa6c4e3786ed1990d96812c42beae3a6c04b7d500a71c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}