{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335786",
    "entityType": "User",
    "nonce": "0x02cee36d9fe9d618f52000fccd4f40647bd9435350301db31f016665758cb1d8",
    "signature": "0xd8264b52e0a5879c49a6f4c2c8ef87e2ff3a6a1693ee933ac9396aa56edcfbbb75370f18121d1df10b62086539fcefc6918c2f5adb6dee90564f56b0d85af68e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}