{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xe57fd62cd5f7a0af3e0f7fca2def6be988ab8af6ed5c1084afdc06ea907e77a1",
    "signature": "0x69bf4617d70098222c366316161bd65011559d287cfb0d7263a4686f7e967a1f1e52f85a87a8a5134a0f8ad619743d0b1e9125f9e82ed65ff480baca7ded2ef91b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}