{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61618",
    "entityType": "User",
    "nonce": "0x14eb0617d1e50afeea4b2dc29823080785b56794e422c06d64c8192193fad9d4",
    "signature": "0x5527abc2d11c488253d7d2ae3a57f568f177e13e94c9dc24104b41c058895d9a765b35ca8a70e809dd2634d4e26ec7176c156ae51752cb597ee4d567eec8887d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}