{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225941",
    "entityType": "User",
    "nonce": "0xb7ba93c89de2f7e681a05c19799aefeaaaef06c130ffd6b5cff49e26325c5d25",
    "signature": "0x6277882d78b736534d8fcb78d7d93719a8e83d1bf74fbdd2a82e7c28f58e46da72e53dd70ebc7d24acefea2ea19a26a014829d63128769098a1ab17943ea59651c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}