{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1697052",
    "entityType": "User",
    "nonce": "0x758d3d3ecd16e994e9e99f50bd1f73971d6c4e9580f060563d6ab7587e161974",
    "signature": "0xe95bbbbb661a9375313624d08d1bb563ab0f6723287e1b983832984e15aaa3c513ca9fc20f32e4a57d70209765b82188766ff17799a6f65d9fa5365aec2421f31c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}