{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371339529",
    "entityType": "User",
    "nonce": "0x074c91553241a26a63095da1f29d36649837d2b7d7fa7cb5ae53c8990c61c5af",
    "signature": "0xcc3a63df8c41a87a702504a365c5ee68762855855d46128666f357ad365bf96b0469849923ca64c3806c49e79ffe57df0fa1886938f67a8fa03fcc6de42099051c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}